83481018 has 16 divisors (see below), whose sum is σ = 167101056. Its totient is φ = 27803840.

The previous prime is 83480993. The next prime is 83481023. The reversal of 83481018 is 81018438.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 83481018.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3055 + ... + 13277.

It is an arithmetic number, because the mean of its divisors is an integer number (10443816).

Almost surely, 2^83481018 is an apocalyptic number.

83481018 is an abundant number, since it is smaller than the sum of its proper divisors (83620038).

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

83481018 is a wasteful number, since it uses less digits than its factorization.

83481018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11589.

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 83481018 is about 9136.7947333844. The cubic root of 83481018 is about 437.0481089699.

The spelling of 83481018 in words is "eighty-three million, four hundred eighty-one thousand, eighteen".