86818704 has 40 divisors (see below), whose sum is σ = 256322880. Its totient is φ = 24805248.

The previous prime is 86818661. The next prime is 86818723. The reversal of 86818704 is 40781868.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 128859 + ... + 129530.

It is an arithmetic number, because the mean of its divisors is an integer number (6408072).

Almost surely, 2^86818704 is an apocalyptic number.

86818704 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

86818704 is an abundant number, since it is smaller than the sum of its proper divisors (169504176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86818704 is a wasteful number, since it uses less digits than its factorization.

86818704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258407 (or 258401 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 86818704 is about 9317.6554991049. The cubic root of 86818704 is about 442.7967583889.

The spelling of 86818704 in words is "eighty-six million, eight hundred eighteen thousand, seven hundred four".