87028215456756 has 48 divisors (see below), whose sum is σ = 232076027030400. Its totient is φ = 24865120222080.

The previous prime is 87028215456739. The next prime is 87028215456811. The reversal of 87028215456756 is 65765451282078.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25754170 + ... + 28936718.

It is an arithmetic number, because the mean of its divisors is an integer number (4834917229800).

Almost surely, 2^{87028215456756} is an apocalyptic number.

It is an amenable number.

87028215456756 is an abundant number, since it is smaller than the sum of its proper divisors (145047811573644).

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

87028215456756 is a wasteful number, since it uses less digits than its factorization.

87028215456756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3508104 (or 3508102 counting only the distinct ones).

The product of its (nonzero) digits is 225792000, while the sum is 66.

The spelling of 87028215456756 in words is "eighty-seven trillion, twenty-eight billion, two hundred fifteen million, four hundred fifty-six thousand, seven hundred fifty-six".