86633942 has 4 divisors (see below), whose sum is σ = 129950916. Its totient is φ = 43316970.

The previous prime is 86633927. The next prime is 86633951. The reversal of 86633942 is 24933668.

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

It is a self number, because there is not a number n which added to its sum of digits gives 86633942.

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, 21658484 + ... + 21658487.

It is an arithmetic number, because the mean of its divisors is an integer number (32487729).

Almost surely, 2^86633942 is an apocalyptic number.

86633942 is a deficient number, since it is larger than the sum of its proper divisors (43316974).

86633942 is a wasteful number, since it uses less digits than its factorization.

86633942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43316973.

The product of its digits is 186624, while the sum is 41.

The square root of 86633942 is about 9307.7356000265. The cubic root of 86633942 is about 442.4824247438.

The spelling of 86633942 in words is "eighty-six million, six hundred thirty-three thousand, nine hundred forty-two".