92782538820 has 72 divisors (see below), whose sum is σ = 286750592856. Its totient is φ = 24275177472.

The previous prime is 92782538819. The next prime is 92782538831. The reversal of 92782538820 is 2883528729.

It is a happy number.

92782538820 is a `hidden beast` number, since 9 + 2 + 7 + 82 + 538 + 8 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2436607044 + 90345931776 = 49362^2 + 300576^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4853277 + ... + 4872356.

It is an arithmetic number, because the mean of its divisors is an integer number (3982647123).

Almost surely, 2^92782538820 is an apocalyptic number.

92782538820 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

92782538820 is an abundant number, since it is smaller than the sum of its proper divisors (193968054036).

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

92782538820 is a wasteful number, since it uses less digits than its factorization.

92782538820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9725701 (or 9725696 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 92782538820 in words is "ninety-two billion, seven hundred eighty-two million, five hundred thirty-eight thousand, eight hundred twenty".