82237668540 has 48 divisors (see below), whose sum is σ = 230366804640. Its totient is φ = 21920394240.

The previous prime is 82237668533. The next prime is 82237668571. The reversal of 82237668540 is 4586673228.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163585 + ... + 437304.

It is an arithmetic number, because the mean of its divisors is an integer number (4799308430).

Almost surely, 2^82237668540 is an apocalyptic number.

It is an amenable number.

82237668540 is an abundant number, since it is smaller than the sum of its proper divisors (148129136100).

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

82237668540 is a wasteful number, since it uses less digits than its factorization.

82237668540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603182 (or 603180 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 82237668540 in words is "eighty-two billion, two hundred thirty-seven million, six hundred sixty-eight thousand, five hundred forty".