87880256 has 14 divisors (see below), whose sum is σ = 174387510. Its totient is φ = 43940096.

The previous prime is 87880253. The next prime is 87880267. The reversal of 87880256 is 65208878.

It can be written as a sum of positive squares in only one way, i.e., 84345856 + 3534400 = 9184^2 + 1880^2 .

It is not an unprimeable number, because it can be changed into a prime (87880253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686501 + ... + 686628.

Almost surely, 2^87880256 is an apocalyptic number.

It is an amenable number.

87880256 is a deficient number, since it is larger than the sum of its proper divisors (86507254).

87880256 is a wasteful number, since it uses less digits than its factorization.

87880256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373141 (or 1373131 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 87880256 is about 9374.4469703551. The cubic root of 87880256 is about 444.5941778454.

The spelling of 87880256 in words is "eighty-seven million, eight hundred eighty thousand, two hundred fifty-six".