87737256 has 80 divisors (see below), whose sum is σ = 249337440. Its totient is φ = 28818720.

The previous prime is 87737239. The next prime is 87737263. The reversal of 87737256 is 65273778.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 45055 + ... + 46961.

It is an arithmetic number, because the mean of its divisors is an integer number (3116718).

Almost surely, 2^87737256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87737256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124668720).

87737256 is an abundant number, since it is smaller than the sum of its proper divisors (161600184).

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

87737256 is a wasteful number, since it uses less digits than its factorization.

87737256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996 (or 1983 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 87737256 is about 9366.8167485011. The cubic root of 87737256 is about 444.3528969405.

The spelling of 87737256 in words is "eighty-seven million, seven hundred thirty-seven thousand, two hundred fifty-six".