87270886 has 4 divisors (see below), whose sum is σ = 130906332. Its totient is φ = 43635442.

The previous prime is 87270871. The next prime is 87270893. The reversal of 87270886 is 68807278.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68807278 = 2 ⋅34403639.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21817720 + ... + 21817723.

It is an arithmetic number, because the mean of its divisors is an integer number (32726583).

Almost surely, 2^87270886 is an apocalyptic number.

87270886 is a deficient number, since it is larger than the sum of its proper divisors (43635446).

87270886 is a wasteful number, since it uses less digits than its factorization.

87270886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43635445.

The product of its (nonzero) digits is 301056, while the sum is 46.

The square root of 87270886 is about 9341.8887811834. Note that the first 3 decimals coincide. The cubic root of 87270886 is about 443.5641741016.

The spelling of 87270886 in words is "eighty-seven million, two hundred seventy thousand, eight hundred eighty-six".