86078884 has 6 divisors (see below), whose sum is σ = 150638054. Its totient is φ = 43039440.

The previous prime is 86078849. The next prime is 86078897. The reversal of 86078884 is 48887068.

It can be written as a sum of positive squares in only one way, i.e., 85969984 + 108900 = 9272^2 + 330^2 .

It is a super-3 number, since 3×86078884³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10759857 + ... + 10759864.

Almost surely, 2^86078884 is an apocalyptic number.

It is an amenable number.

86078884 is a deficient number, since it is larger than the sum of its proper divisors (64559170).

86078884 is a wasteful number, since it uses less digits than its factorization.

86078884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21519725 (or 21519723 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 49.

The square root of 86078884 is about 9277.8706608790. The cubic root of 86078884 is about 441.5354140584.

The spelling of 86078884 in words is "eighty-six million, seventy-eight thousand, eight hundred eighty-four".