82694331 has 16 divisors (see below), whose sum is σ = 122651520. Its totient is φ = 55065960.

The previous prime is 82694323. The next prime is 82694333. The reversal of 82694331 is 13349628.

It is not a de Polignac number, because 82694331 - 2³ = 82694323 is a prime.

It is a super-2 number, since 2×82694331² = 13676704759075122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82694333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40116 + ... + 42126.

It is an arithmetic number, because the mean of its divisors is an integer number (7665720).

Almost surely, 2^82694331 is an apocalyptic number.

82694331 is a deficient number, since it is larger than the sum of its proper divisors (39957189).

82694331 is a wasteful number, since it uses less digits than its factorization.

82694331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3543 (or 3537 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 82694331 is about 9093.6423395689. The cubic root of 82694331 is about 435.6709266077.

The spelling of 82694331 in words is "eighty-two million, six hundred ninety-four thousand, three hundred thirty-one".