86288942 has 4 divisors (see below), whose sum is σ = 129433416. Its totient is φ = 43144470.

The previous prime is 86288911. The next prime is 86288963. The reversal of 86288942 is 24988268.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×86288942² = 14891563022958728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21572234 + ... + 21572237.

It is an arithmetic number, because the mean of its divisors is an integer number (32358354).

Almost surely, 2^86288942 is an apocalyptic number.

86288942 is a deficient number, since it is larger than the sum of its proper divisors (43144474).

86288942 is a wasteful number, since it uses less digits than its factorization.

86288942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43144473.

The product of its digits is 442368, while the sum is 47.

The square root of 86288942 is about 9289.1841407090. The cubic root of 86288942 is about 441.8942814119.

The spelling of 86288942 in words is "eighty-six million, two hundred eighty-eight thousand, nine hundred forty-two".