87697751070 has 32 divisors (see below), whose sum is σ = 210826022400. Its totient is φ = 23347020320.

The previous prime is 87697751051. The next prime is 87697751087. The reversal of 87697751070 is 7015779678.

It is a super-2 number, since 2×87697751070² (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 87697751070.

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 15 ways as a sum of consecutive naturals, for example, 2422146 + ... + 2458085.

It is an arithmetic number, because the mean of its divisors is an integer number (6588313200).

Almost surely, 2^87697751070 is an apocalyptic number.

87697751070 is an abundant number, since it is smaller than the sum of its proper divisors (123128271330).

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

87697751070 is a wasteful number, since it uses less digits than its factorization.

87697751070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4880840.

The product of its (nonzero) digits is 5186160, while the sum is 57.

The spelling of 87697751070 in words is "eighty-seven billion, six hundred ninety-seven million, seven hundred fifty-one thousand, seventy".