86554690 has 48 divisors (see below), whose sum is σ = 168716160. Its totient is φ = 31881600.

The previous prime is 86554679. The next prime is 86554703. The reversal of 86554690 is 9645568.

It is a super-2 number, since 2×86554690² = 14983428721992200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 319255 + ... + 319525.

It is an arithmetic number, because the mean of its divisors is an integer number (3514920).

Almost surely, 2^86554690 is an apocalyptic number.

86554690 is a deficient number, since it is larger than the sum of its proper divisors (82161470).

86554690 is a wasteful number, since it uses less digits than its factorization.

86554690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 86554690 is about 9303.4773068998. The cubic root of 86554690 is about 442.3474571820.

It can be divided in two parts, 865 and 54690, that added together give a palindrome (55555).

The spelling of 86554690 in words is "eighty-six million, five hundred fifty-four thousand, six hundred ninety".