86828920 has 16 divisors (see below), whose sum is σ = 195365160. Its totient is φ = 34731552.

The previous prime is 86828909. The next prime is 86828941. The reversal of 86828920 is 2982868.

It is a super-2 number, since 2×86828920² = 15078522696732800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085322 + ... + 1085401.

Almost surely, 2^86828920 is an apocalyptic number.

It is an amenable number.

86828920 is an abundant number, since it is smaller than the sum of its proper divisors (108536240).

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

86828920 is a wasteful number, since it uses less digits than its factorization.

86828920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170734 (or 2170730 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 86828920 is about 9318.2036895530. The cubic root of 86828920 is about 442.8141257458.

The spelling of 86828920 in words is "eighty-six million, eight hundred twenty-eight thousand, nine hundred twenty".