86623814 has 4 divisors (see below), whose sum is σ = 129935724. Its totient is φ = 43311906.

The previous prime is 86623807. The next prime is 86623829. The reversal of 86623814 is 41832668.

It is a happy number.

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

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, 21655952 + ... + 21655955.

It is an arithmetic number, because the mean of its divisors is an integer number (32483931).

Almost surely, 2^86623814 is an apocalyptic number.

86623814 is a deficient number, since it is larger than the sum of its proper divisors (43311910).

86623814 is a wasteful number, since it uses less digits than its factorization.

86623814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43311909.

The product of its digits is 55296, while the sum is 38.

The square root of 86623814 is about 9307.1915205394. The cubic root of 86623814 is about 442.4651811687.

The spelling of 86623814 in words is "eighty-six million, six hundred twenty-three thousand, eight hundred fourteen".