83475918828 has 36 divisors (see below), whose sum is σ = 222114288760. Its totient is φ = 26360816256.

The previous prime is 83475918793. The next prime is 83475918829. The reversal of 83475918828 is 82881957438.

83475918828 is a `hidden beast` number, since 8 + 34 + 7 + 591 + 8 + 8 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (83475918829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61019725 + ... + 61021092.

Almost surely, 2^83475918828 is an apocalyptic number.

It is an amenable number.

83475918828 is an abundant number, since it is smaller than the sum of its proper divisors (138638369932).

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

83475918828 is a wasteful number, since it uses less digits than its factorization.

83475918828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122040846 (or 122040841 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 63.

The spelling of 83475918828 in words is "eighty-three billion, four hundred seventy-five million, nine hundred eighteen thousand, eight hundred twenty-eight".