77026164507 has 6 divisors (see below), whose sum is σ = 111260015412. Its totient is φ = 51350776332.

The previous prime is 77026164469. The next prime is 77026164563. The reversal of 77026164507 is 70546162077.

It is not a de Polignac number, because 77026164507 - 2¹² = 77026160411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77026164577) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4279231353 + ... + 4279231370.

It is an arithmetic number, because the mean of its divisors is an integer number (18543335902).

Almost surely, 2^77026164507 is an apocalyptic number.

77026164507 is a deficient number, since it is larger than the sum of its proper divisors (34233850905).

77026164507 is a wasteful number, since it uses less digits than its factorization.

77026164507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8558462729 (or 8558462726 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The spelling of 77026164507 in words is "seventy-seven billion, twenty-six million, one hundred sixty-four thousand, five hundred seven".