82697644 has 12 divisors (see below), whose sum is σ = 145138000. Its totient is φ = 41229648.

The previous prime is 82697623. The next prime is 82697653. The reversal of 82697644 is 44679628.

It is a happy number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 82697594 and 82697603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28224 + ... + 31015.

Almost surely, 2^82697644 is an apocalyptic number.

It is an amenable number.

82697644 is a deficient number, since it is larger than the sum of its proper divisors (62440356).

82697644 is a wasteful number, since it uses less digits than its factorization.

82697644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59592 (or 59590 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 82697644 is about 9093.8244979766. The cubic root of 82697644 is about 435.6767446546.

The spelling of 82697644 in words is "eighty-two million, six hundred ninety-seven thousand, six hundred forty-four".