82420392472 has 16 divisors (see below), whose sum is σ = 168587166600. Its totient is φ = 37463814720.

The previous prime is 82420392433. The next prime is 82420392473. The reversal of 82420392472 is 27429302428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82420392473) 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, 468297597 + ... + 468297772.

Almost surely, 2^82420392472 is an apocalyptic number.

It is an amenable number.

82420392472 is an abundant number, since it is smaller than the sum of its proper divisors (86166774128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82420392472 is a wasteful number, since it uses less digits than its factorization.

82420392472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936595386 (or 936595382 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 82420392472 in words is "eighty-two billion, four hundred twenty million, three hundred ninety-two thousand, four hundred seventy-two".