82970517 has 32 divisors (see below), whose sum is σ = 129392640. Its totient is φ = 46316160.

The previous prime is 82970483. The next prime is 82970527. The reversal of 82970517 is 71507928.

It is not a de Polignac number, because 82970517 - 2¹⁵ = 82937749 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82970527) 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 31 ways as a sum of consecutive naturals, for example, 192292 + ... + 192722.

It is an arithmetic number, because the mean of its divisors is an integer number (4043520).

Almost surely, 2^82970517 is an apocalyptic number.

It is an amenable number.

82970517 is a deficient number, since it is larger than the sum of its proper divisors (46422123).

82970517 is a wasteful number, since it uses less digits than its factorization.

82970517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633.

The product of its (nonzero) digits is 35280, while the sum is 39.

The square root of 82970517 is about 9108.8153455869. The cubic root of 82970517 is about 436.1554116594.

The spelling of 82970517 in words is "eighty-two million, nine hundred seventy thousand, five hundred seventeen".