127077526450 has 48 divisors (see below), whose sum is σ = 270694817280. Its totient is φ = 43478421120.

The previous prime is 127077526441. The next prime is 127077526453. The reversal of 127077526450 is 54625770721.

It is a super-2 number, since 2×127077526450² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 127077526450.

It is not an unprimeable number, because it can be changed into a prime (127077526453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211347 + ... + 546646.

It is an arithmetic number, because the mean of its divisors is an integer number (5639475360).

Almost surely, 2^127077526450 is an apocalyptic number.

127077526450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

127077526450 is an abundant number, since it is smaller than the sum of its proper divisors (143617290830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127077526450 is a wasteful number, since it uses less digits than its factorization.

127077526450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758491 (or 758486 counting only the distinct ones).

The product of its (nonzero) digits is 823200, while the sum is 46.

The spelling of 127077526450 in words is "one hundred twenty-seven billion, seventy-seven million, five hundred twenty-six thousand, four hundred fifty".