82916691 has 32 divisors (see below), whose sum is σ = 130491648. Its totient is φ = 46170240.

The previous prime is 82916683. The next prime is 82916699. The reversal of 82916691 is 19661928.

It is an interprime number because it is at equal distance from previous prime (82916683) and next prime (82916699).

It is not a de Polignac number, because 82916691 - 2³ = 82916683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82916699) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148585 + ... + 149141.

It is an arithmetic number, because the mean of its divisors is an integer number (4077864).

Almost surely, 2^82916691 is an apocalyptic number.

82916691 is a deficient number, since it is larger than the sum of its proper divisors (47574957).

82916691 is a wasteful number, since it uses less digits than its factorization.

82916691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931.

The product of its digits is 46656, while the sum is 42.

The square root of 82916691 is about 9105.8602559011. The cubic root of 82916691 is about 436.0610746163.

The spelling of 82916691 in words is "eighty-two million, nine hundred sixteen thousand, six hundred ninety-one".