77856160335351 has 16 divisors (see below), whose sum is σ = 110105939898240. Its totient is φ = 48796950627360.

The previous prime is 77856160335329. The next prime is 77856160335419. The reversal of 77856160335351 is 15353306165877.

It is a happy number.

It is not a de Polignac number, because 77856160335351 - 2⁵ = 77856160335319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77856160335251) 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, 5213341960 + ... + 5213356893.

It is an arithmetic number, because the mean of its divisors is an integer number (6881621243640).

Almost surely, 2^{77856160335351} is an apocalyptic number.

77856160335351 is a deficient number, since it is larger than the sum of its proper divisors (32249779562889).

77856160335351 is a wasteful number, since it uses less digits than its factorization.

77856160335351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10426699006.

The product of its (nonzero) digits is 47628000, while the sum is 60.

The spelling of 77856160335351 in words is "seventy-seven trillion, eight hundred fifty-six billion, one hundred sixty million, three hundred thirty-five thousand, three hundred fifty-one".