83868862 has 64 divisors (see below), whose sum is σ = 165473280. Its totient is φ = 30931200.

The previous prime is 83868823. The next prime is 83868887. The reversal of 83868862 is 26886838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 233439 + ... + 233797.

It is an arithmetic number, because the mean of its divisors is an integer number (2585520).

Almost surely, 2^83868862 is an apocalyptic number.

83868862 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

83868862 is a deficient number, since it is larger than the sum of its proper divisors (81604418).

83868862 is a wasteful number, since it uses less digits than its factorization.

83868862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457.

The product of its digits is 884736, while the sum is 49.

The square root of 83868862 is about 9157.9944310968. The cubic root of 83868862 is about 437.7238899765.

The spelling of 83868862 in words is "eighty-three million, eight hundred sixty-eight thousand, eight hundred sixty-two".