82630691 has 12 divisors (see below), whose sum is σ = 97612200. Its totient is φ = 69338880.

The previous prime is 82630637. The next prime is 82630699. The reversal of 82630691 is 19603628.

It is not a de Polignac number, because 82630691 - 2¹⁰ = 82629667 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82630699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20366 + ... + 24083.

It is an arithmetic number, because the mean of its divisors is an integer number (8134350).

Almost surely, 2^82630691 is an apocalyptic number.

82630691 is a deficient number, since it is larger than the sum of its proper divisors (14981509).

82630691 is a wasteful number, since it uses less digits than its factorization.

82630691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44486 (or 44473 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 82630691 is about 9090.1425181347. The cubic root of 82630691 is about 435.5591365451.

The spelling of 82630691 in words is "eighty-two million, six hundred thirty thousand, six hundred ninety-one".