82690965 has 24 divisors (see below), whose sum is σ = 163807488. Its totient is φ = 37801440.

The previous prime is 82690963. The next prime is 82690987. The reversal of 82690965 is 56909628.

It is not a de Polignac number, because 82690965 - 2¹ = 82690963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 82690965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82690963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130941 + ... + 131570.

It is an arithmetic number, because the mean of its divisors is an integer number (6825312).

Almost surely, 2^82690965 is an apocalyptic number.

It is an amenable number.

82690965 is a deficient number, since it is larger than the sum of its proper divisors (81116523).

82690965 is a wasteful number, since it uses less digits than its factorization.

82690965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262529 (or 262526 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 82690965 is about 9093.4572633295. The cubic root of 82690965 is about 435.6650153269.

The spelling of 82690965 in words is "eighty-two million, six hundred ninety thousand, nine hundred sixty-five".