127077277441 has 3 divisors (see below), whose sum is σ = 127077633921. Its totient is φ = 127076920962.

The previous prime is 127077277417. The next prime is 127077277447. The reversal of 127077277441 is 144772770721.

The square root of 127077277441 is 356479.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 127077277441 - 2⁵ = 127077277409 is a prime.

It is a super-2 number, since 2×127077277441² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127077277447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 178240 + ... + 534718.

It is an arithmetic number, because the mean of its divisors is an integer number (42359211307).

Almost surely, 2^127077277441 is an apocalyptic number.

127077277441 is the 356479-th square number.

127077277441 is the 178240-th centered octagonal number.

It is an amenable number.

127077277441 is a deficient number, since it is larger than the sum of its proper divisors (356480).

127077277441 is an frugal number, since it uses more digits than its factorization.

127077277441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712958 (or 356479 counting only the distinct ones).

The product of its (nonzero) digits is 1075648, while the sum is 49.

Multiplying 127077277441 by its sum of digits (49), we get a square (6226786594609 = 2495353²).

The spelling of 127077277441 in words is "one hundred twenty-seven billion, seventy-seven million, two hundred seventy-seven thousand, four hundred forty-one".