86864942 has 8 divisors (see below), whose sum is σ = 130782600. Its totient is φ = 43270744.

The previous prime is 86864927. The next prime is 86864957. The reversal of 86864942 is 24946868.

It is an interprime number because it is at equal distance from previous prime (86864927) and next prime (86864957).

It is a sphenic number, since it is the product of 3 distinct primes.

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, 80192 + ... + 81267.

It is an arithmetic number, because the mean of its divisors is an integer number (16347825).

Almost surely, 2^86864942 is an apocalyptic number.

86864942 is a deficient number, since it is larger than the sum of its proper divisors (43917658).

86864942 is a wasteful number, since it uses less digits than its factorization.

86864942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161730.

The product of its digits is 663552, while the sum is 47.

The square root of 86864942 is about 9320.1363723928. The cubic root of 86864942 is about 442.8753528313.

The spelling of 86864942 in words is "eighty-six million, eight hundred sixty-four thousand, nine hundred forty-two".