83515113800 has 48 divisors (see below), whose sum is σ = 195409481460. Its totient is φ = 33193255680.

The previous prime is 83515113797. The next prime is 83515113817. The reversal of 83515113800 is 831151538.

It can be written as a sum of positive squares in 6 ways, for example, as 3243758116 + 80271355684 = 56954^2 + 283322^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1298459 + ... + 1361258.

Almost surely, 2^83515113800 is an apocalyptic number.

It is an amenable number.

83515113800 is an abundant number, since it is smaller than the sum of its proper divisors (111894367660).

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

83515113800 is a wasteful number, since it uses less digits than its factorization.

83515113800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2659890 (or 2659881 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 35.

The spelling of 83515113800 in words is "eighty-three billion, five hundred fifteen million, one hundred thirteen thousand, eight hundred".