82533397860 has 72 divisors (see below), whose sum is σ = 250861455936. Its totient is φ = 21964057920.

The previous prime is 82533397769. The next prime is 82533397867. The reversal of 82533397860 is 6879333528.

82533397860 is a `hidden beast` number, since 8 + 2 + 533 + 39 + 78 + 6 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 82533397797 and 82533397806.

It is not an unprimeable number, because it can be changed into a prime (82533397867) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 378544 + ... + 555303.

It is an arithmetic number, because the mean of its divisors is an integer number (3484186888).

Almost surely, 2^82533397860 is an apocalyptic number.

It is an amenable number.

82533397860 is an abundant number, since it is smaller than the sum of its proper divisors (168328058076).

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

82533397860 is a wasteful number, since it uses less digits than its factorization.

82533397860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934353 (or 934348 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 82533397860 in words is "eighty-two billion, five hundred thirty-three million, three hundred ninety-seven thousand, eight hundred sixty".