87396128 has 12 divisors (see below), whose sum is σ = 172061190. Its totient is φ = 43698048.

The previous prime is 87396107. The next prime is 87396139. The reversal of 87396128 is 82169378.

It can be written as a sum of positive squares in only one way, i.e., 46076944 + 41319184 = 6788^2 + 6428^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1365533 + ... + 1365596.

Almost surely, 2^87396128 is an apocalyptic number.

It is an amenable number.

87396128 is a deficient number, since it is larger than the sum of its proper divisors (84665062).

87396128 is a wasteful number, since it uses less digits than its factorization.

87396128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2731139 (or 2731131 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 87396128 is about 9348.5896262484. The cubic root of 87396128 is about 443.7762582359.

The spelling of 87396128 in words is "eighty-seven million, three hundred ninety-six thousand, one hundred twenty-eight".