77136670137 has 16 divisors (see below), whose sum is σ = 103337762240. Its totient is φ = 51180455232.

The previous prime is 77136670103. The next prime is 77136670139. The reversal of 77136670137 is 73107663177.

It is not a de Polignac number, because 77136670137 - 2⁶ = 77136670073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77136670139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 649023 + ... + 758619.

It is an arithmetic number, because the mean of its divisors is an integer number (6458610140).

Almost surely, 2^77136670137 is an apocalyptic number.

It is an amenable number.

77136670137 is a deficient number, since it is larger than the sum of its proper divisors (26201092103).

77136670137 is a wasteful number, since it uses less digits than its factorization.

77136670137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110712.

The product of its (nonzero) digits is 777924, while the sum is 48.

The spelling of 77136670137 in words is "seventy-seven billion, one hundred thirty-six million, six hundred seventy thousand, one hundred thirty-seven".