82662607864 has 16 divisors (see below), whose sum is σ = 155011480920. Its totient is φ = 41326212960.

The previous prime is 82662607861. The next prime is 82662607901. The reversal of 82662607864 is 46870626628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82662607861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566919 + ... + 697654.

Almost surely, 2^82662607864 is an apocalyptic number.

It is an amenable number.

82662607864 is a deficient number, since it is larger than the sum of its proper divisors (72348873056).

82662607864 is a wasteful number, since it uses less digits than its factorization.

82662607864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272750 (or 1272746 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 55.

The spelling of 82662607864 in words is "eighty-two billion, six hundred sixty-two million, six hundred seven thousand, eight hundred sixty-four".