86931796 has 24 divisors (see below), whose sum is σ = 178564736. Its totient is φ = 36249120.

The previous prime is 86931787. The next prime is 86931797. The reversal of 86931796 is 69713968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86931797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40920 + ... + 42991.

Almost surely, 2^86931796 is an apocalyptic number.

It is an amenable number.

86931796 is an abundant number, since it is smaller than the sum of its proper divisors (91632940).

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

86931796 is a wasteful number, since it uses less digits than its factorization.

86931796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83959 (or 83957 counting only the distinct ones).

The product of its digits is 489888, while the sum is 49.

The square root of 86931796 is about 9323.7222180844. The cubic root of 86931796 is about 442.9889406442.

The spelling of 86931796 in words is "eighty-six million, nine hundred thirty-one thousand, seven hundred ninety-six".