77856060026005 has 16 divisors (see below), whose sum is σ = 94300919311104. Its totient is φ = 61702422615360.

The previous prime is 77856060025993. The next prime is 77856060026023. The reversal of 77856060026005 is 50062006065877.

It is not a de Polignac number, because 77856060026005 - 2²⁹ = 77855523155093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192543019 + ... + 192946951.

It is an arithmetic number, because the mean of its divisors is an integer number (5893807456944).

Almost surely, 2^{77856060026005} is an apocalyptic number.

It is an amenable number.

77856060026005 is a deficient number, since it is larger than the sum of its proper divisors (16444859285099).

77856060026005 is a wasteful number, since it uses less digits than its factorization.

77856060026005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764316.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 77856060026005 in words is "seventy-seven trillion, eight hundred fifty-six billion, sixty million, twenty-six thousand, five".