86793816 has 16 divisors (see below), whose sum is σ = 216984600. Its totient is φ = 28931264.

The previous prime is 86793809. The next prime is 86793829. The reversal of 86793816 is 61839768.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1808181 + ... + 1808228.

Almost surely, 2^86793816 is an apocalyptic number.

It is an amenable number.

86793816 is an abundant number, since it is smaller than the sum of its proper divisors (130190784).

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

86793816 is a wasteful number, since it uses less digits than its factorization.

86793816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3616418 (or 3616414 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The square root of 86793816 is about 9316.3198742851. The cubic root of 86793816 is about 442.7544427033.

The spelling of 86793816 in words is "eighty-six million, seven hundred ninety-three thousand, eight hundred sixteen".