83250018 has 40 divisors (see below), whose sum is σ = 194660928. Its totient is φ = 26542296.

The previous prime is 83250007. The next prime is 83250031. The reversal of 83250018 is 81005238.

It is a happy number.

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 = 83249973 and 83250000.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7446 + ... + 14897.

Almost surely, 2^83250018 is an apocalyptic number.

83250018 is an abundant number, since it is smaller than the sum of its proper divisors (111410910).

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

83250018 is a wasteful number, since it uses less digits than its factorization.

83250018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22380 (or 22371 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 83250018 is about 9124.1447818412. The cubic root of 83250018 is about 436.6446185347.

The spelling of 83250018 in words is "eighty-three million, two hundred fifty thousand, eighteen".