87253886 has 8 divisors (see below), whose sum is σ = 131045040. Its totient is φ = 43572208.

The previous prime is 87253819. The next prime is 87253897. The reversal of 87253886 is 68835278.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×87253886² = 15226481244201992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87253886.

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, 25346 + ... + 28581.

It is an arithmetic number, because the mean of its divisors is an integer number (16380630).

Almost surely, 2^87253886 is an apocalyptic number.

87253886 is a deficient number, since it is larger than the sum of its proper divisors (43791154).

87253886 is a wasteful number, since it uses less digits than its factorization.

87253886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54738.

The product of its digits is 645120, while the sum is 47.

The square root of 87253886 is about 9340.9788566295. The cubic root of 87253886 is about 443.5353707554.

The spelling of 87253886 in words is "eighty-seven million, two hundred fifty-three thousand, eight hundred eighty-six".