86928678 has 12 divisors (see below), whose sum is σ = 188345508. Its totient is φ = 28976220.

The previous prime is 86928659. The next prime is 86928683. The reversal of 86928678 is 87682968.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2414668 + ... + 2414703.

It is an arithmetic number, because the mean of its divisors is an integer number (15695459).

Almost surely, 2^86928678 is an apocalyptic number.

86928678 is an abundant number, since it is smaller than the sum of its proper divisors (101416830).

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

86928678 is a wasteful number, since it uses less digits than its factorization.

86928678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4829379 (or 4829376 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 86928678 is about 9323.5550086863. Note that the first 3 decimals coincide. The cubic root of 86928678 is about 442.9836443234.

The spelling of 86928678 in words is "eighty-six million, nine hundred twenty-eight thousand, six hundred seventy-eight".