86999492 has 12 divisors (see below), whose sum is σ = 155790096. Its totient is φ = 42488040.

The previous prime is 86999477. The next prime is 86999503. The reversal of 86999492 is 29499968.

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, 252734 + ... + 253077.

It is an arithmetic number, because the mean of its divisors is an integer number (12982508).

Almost surely, 2^86999492 is an apocalyptic number.

It is an amenable number.

86999492 is a deficient number, since it is larger than the sum of its proper divisors (68790604).

86999492 is a wasteful number, since it uses less digits than its factorization.

86999492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505858 (or 505856 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 56.

The square root of 86999492 is about 9327.3518213907. The cubic root of 86999492 is about 443.1038997262.

The spelling of 86999492 in words is "eighty-six million, nine hundred ninety-nine thousand, four hundred ninety-two".