87258810 has 16 divisors (see below), whose sum is σ = 209421216. Its totient is φ = 23269008.

The previous prime is 87258799. The next prime is 87258851. The reversal of 87258810 is 1885278.

It is a super-2 number, since 2×87258810² = 15228199845232200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1454284 + ... + 1454343.

It is an arithmetic number, because the mean of its divisors is an integer number (13088826).

Almost surely, 2^87258810 is an apocalyptic number.

87258810 is an abundant number, since it is smaller than the sum of its proper divisors (122162406).

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

87258810 is a wasteful number, since it uses less digits than its factorization.

87258810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908637.

The product of its (nonzero) digits is 35840, while the sum is 39.

The square root of 87258810 is about 9341.2424227187. The cubic root of 87258810 is about 443.5437139448.

The spelling of 87258810 in words is "eighty-seven million, two hundred fifty-eight thousand, eight hundred ten".