77053865499 has 12 divisors (see below), whose sum is σ = 119861568736. Its totient is φ = 47417763312.

The previous prime is 77053865479. The next prime is 77053865501. The reversal of 77053865499 is 99456835077.

77053865499 is a `hidden beast` number, since 7 + 7 + 0 + 5 + 3 + 86 + 549 + 9 = 666.

It is not a de Polignac number, because 77053865499 - 2²¹ = 77051768347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77053865479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 329289907 + ... + 329290140.

Almost surely, 2^77053865499 is an apocalyptic number.

77053865499 is a deficient number, since it is larger than the sum of its proper divisors (42807703237).

77053865499 is a wasteful number, since it uses less digits than its factorization.

77053865499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658580066 (or 658580063 counting only the distinct ones).

The product of its (nonzero) digits is 57153600, while the sum is 63.

The spelling of 77053865499 in words is "seventy-seven billion, fifty-three million, eight hundred sixty-five thousand, four hundred ninety-nine".