86904554 has 8 divisors (see below), whose sum is σ = 142207488. Its totient is φ = 39502060.

The previous prime is 86904553. The next prime is 86904583. The reversal of 86904554 is 45540968.

It is a happy number.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86904553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1975082 + ... + 1975125.

It is an arithmetic number, because the mean of its divisors is an integer number (17775936).

Almost surely, 2^86904554 is an apocalyptic number.

86904554 is a deficient number, since it is larger than the sum of its proper divisors (55302934).

86904554 is a wasteful number, since it uses less digits than its factorization.

86904554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3950220.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 86904554 is about 9322.2612063812. The cubic root of 86904554 is about 442.9426623507.

The spelling of 86904554 in words is "eighty-six million, nine hundred four thousand, five hundred fifty-four".