86823728 has 10 divisors (see below), whose sum is σ = 168221004. Its totient is φ = 43411856.

The previous prime is 86823701. The next prime is 86823731. The reversal of 86823728 is 82732868.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2713226 + ... + 2713257.

Almost surely, 2^86823728 is an apocalyptic number.

It is an amenable number.

86823728 is a deficient number, since it is larger than the sum of its proper divisors (81397276).

86823728 is a wasteful number, since it uses less digits than its factorization.

86823728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5426491 (or 5426485 counting only the distinct ones).

The product of its digits is 258048, while the sum is 44.

The square root of 86823728 is about 9317.9250909202. The cubic root of 86823728 is about 442.8052994363.

The spelling of 86823728 in words is "eighty-six million, eight hundred twenty-three thousand, seven hundred twenty-eight".