86504788 has 6 divisors (see below), whose sum is σ = 151383386. Its totient is φ = 43252392.

The previous prime is 86504773. The next prime is 86504801. The reversal of 86504788 is 88740568.

It can be written as a sum of positive squares in only one way, i.e., 86452804 + 51984 = 9298^2 + 228^2 .

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, 10813095 + ... + 10813102.

Almost surely, 2^86504788 is an apocalyptic number.

It is an amenable number.

86504788 is a deficient number, since it is larger than the sum of its proper divisors (64878598).

86504788 is a wasteful number, since it uses less digits than its factorization.

86504788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21626201 (or 21626199 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 46.

The square root of 86504788 is about 9300.7950197819. The cubic root of 86504788 is about 442.2624309158.

The spelling of 86504788 in words is "eighty-six million, five hundred four thousand, seven hundred eighty-eight".