82980631 has 2 divisors, whose sum is σ = 82980632. Its totient is φ = 82980630.

The previous prime is 82980593. The next prime is 82980643. The reversal of 82980631 is 13608928.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82980631 - 2⁷ = 82980503 is a prime.

It is a super-2 number, since 2×82980631² = 13771570242316322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82980031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41490315 + 41490316.

It is an arithmetic number, because the mean of its divisors is an integer number (41490316).

Almost surely, 2^82980631 is an apocalyptic number.

82980631 is a deficient number, since it is larger than the sum of its proper divisors (1).

82980631 is an equidigital number, since it uses as much as digits as its factorization.

82980631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 82980631 is about 9109.3705051447. The cubic root of 82980631 is about 436.1731332018.

The spelling of 82980631 in words is "eighty-two million, nine hundred eighty thousand, six hundred thirty-one".