86931794 has 16 divisors (see below), whose sum is σ = 132088320. Its totient is φ = 42905280.

The previous prime is 86931787. The next prime is 86931797. The reversal of 86931794 is 49713968.

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, 98234 + ... + 99114.

It is an arithmetic number, because the mean of its divisors is an integer number (8255520).

Almost surely, 2^86931794 is an apocalyptic number.

86931794 is a deficient number, since it is larger than the sum of its proper divisors (45156526).

86931794 is a wasteful number, since it uses less digits than its factorization.

86931794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465.

The product of its digits is 326592, while the sum is 47.

The square root of 86931794 is about 9323.7221108311. The cubic root of 86931794 is about 442.9889372470.

The spelling of 86931794 in words is "eighty-six million, nine hundred thirty-one thousand, seven hundred ninety-four".