86843864 has 32 divisors (see below), whose sum is σ = 169722000. Its totient is φ = 41607552.

The previous prime is 86843857. The next prime is 86843873. The reversal of 86843864 is 46834868.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30902 + ... + 33594.

Almost surely, 2^86843864 is an apocalyptic number.

It is an amenable number.

86843864 is a deficient number, since it is larger than the sum of its proper divisors (82878136).

86843864 is a wasteful number, since it uses less digits than its factorization.

86843864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2867 (or 2863 counting only the distinct ones).

The product of its digits is 884736, while the sum is 47.

The square root of 86843864 is about 9319.0055263424. The cubic root of 86843864 is about 442.8395283217.

The spelling of 86843864 in words is "eighty-six million, eight hundred forty-three thousand, eight hundred sixty-four".