77053256636523 has 16 divisors (see below), whose sum is σ = 108389041092480. Its totient is φ = 48555360944064.

The previous prime is 77053256636519. The next prime is 77053256636533. The reversal of 77053256636523 is 32563665235077.

It is not a de Polignac number, because 77053256636523 - 2² = 77053256636519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77053256636533) 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, 1525721386 + ... + 1525771887.

It is an arithmetic number, because the mean of its divisors is an integer number (6774315068280).

Almost surely, 2^{77053256636523} is an apocalyptic number.

77053256636523 is a deficient number, since it is larger than the sum of its proper divisors (31335784455957).

77053256636523 is a wasteful number, since it uses less digits than its factorization.

77053256636523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3051493738.

The product of its (nonzero) digits is 142884000, while the sum is 60.

The spelling of 77053256636523 in words is "seventy-seven trillion, fifty-three billion, two hundred fifty-six million, six hundred thirty-six thousand, five hundred twenty-three".