83115018 has 32 divisors (see below), whose sum is σ = 211086720. Its totient is φ = 23747040.

The previous prime is 83114963. The next prime is 83115029. The reversal of 83115018 is 81051138.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 83114982 and 83115000.

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, 109563 + ... + 110318.

It is an arithmetic number, because the mean of its divisors is an integer number (6596460).

Almost surely, 2^83115018 is an apocalyptic number.

83115018 is an abundant number, since it is smaller than the sum of its proper divisors (127971702).

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

83115018 is a wasteful number, since it uses less digits than its factorization.

83115018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219899 (or 219893 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 83115018 is about 9116.7438266083. The cubic root of 83115018 is about 436.4084667720.

The spelling of 83115018 in words is "eighty-three million, one hundred fifteen thousand, eighteen".