87734392256 has 28 divisors (see below), whose sum is σ = 198969069168. Its totient is φ = 37600453632.

The previous prime is 87734392243. The next prime is 87734392271. The reversal of 87734392256 is 65229343778.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-3 number, since 3×87734392256³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97917401 + ... + 97918296.

Almost surely, 2^87734392256 is an apocalyptic number.

It is an amenable number.

87734392256 is an abundant number, since it is smaller than the sum of its proper divisors (111234676912).

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

87734392256 is a wasteful number, since it uses less digits than its factorization.

87734392256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195835716 (or 195835706 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 56.

The spelling of 87734392256 in words is "eighty-seven billion, seven hundred thirty-four million, three hundred ninety-two thousand, two hundred fifty-six".