87750926556 has 12 divisors (see below), whose sum is σ = 204752161992. Its totient is φ = 29250308848.

The previous prime is 87750926539. The next prime is 87750926567. The reversal of 87750926556 is 65562905778.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×87750926556² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87750926556.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3656288595 + ... + 3656288618.

It is an arithmetic number, because the mean of its divisors is an integer number (17062680166).

Almost surely, 2^87750926556 is an apocalyptic number.

It is an amenable number.

87750926556 is an abundant number, since it is smaller than the sum of its proper divisors (117001235436).

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

87750926556 is a wasteful number, since it uses less digits than its factorization.

87750926556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7312577220 (or 7312577218 counting only the distinct ones).

The product of its (nonzero) digits is 31752000, while the sum is 60.

The spelling of 87750926556 in words is "eighty-seven billion, seven hundred fifty million, nine hundred twenty-six thousand, five hundred fifty-six".