87788263620792 has 32 divisors (see below), whose sum is σ = 250823610345600. Its totient is φ = 25082361034464.

The previous prime is 87788263620679. The next prime is 87788263620913. The reversal of 87788263620792 is 29702636288778.

It is a super-2 number, since 2×87788263620792² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261274593942 + ... + 261274594277.

It is an arithmetic number, because the mean of its divisors is an integer number (7838237823300).

Almost surely, 2^{87788263620792} is an apocalyptic number.

It is an amenable number.

87788263620792 is an abundant number, since it is smaller than the sum of its proper divisors (163035346724808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87788263620792 is a wasteful number, since it uses less digits than its factorization.

87788263620792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522549188235 (or 522549188231 counting only the distinct ones).

The product of its (nonzero) digits is 1365590016, while the sum is 75.

The spelling of 87788263620792 in words is "eighty-seven trillion, seven hundred eighty-eight billion, two hundred sixty-three million, six hundred twenty thousand, seven hundred ninety-two".