77127441011 has 4 divisors (see below), whose sum is σ = 77127997800. Its totient is φ = 77126884224.

The previous prime is 77127440969. The next prime is 77127441031. The reversal of 77127441011 is 11014472177.

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, and also an emirpimes, since its reverse is a distinct semiprime: 11014472177 = 503 ⋅21897559.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77127441011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77127441031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110120 + ... + 407898.

It is an arithmetic number, because the mean of its divisors is an integer number (19281999450).

Almost surely, 2^77127441011 is an apocalyptic number.

77127441011 is a deficient number, since it is larger than the sum of its proper divisors (556789).

77127441011 is a wasteful number, since it uses less digits than its factorization.

77127441011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556788.

The product of its (nonzero) digits is 10976, while the sum is 35.

The spelling of 77127441011 in words is "seventy-seven billion, one hundred twenty-seven million, four hundred forty-one thousand, eleven".