83487318 has 32 divisors (see below), whose sum is σ = 173300064. Its totient is φ = 26790912.

The previous prime is 83487277. The next prime is 83487319. The reversal of 83487318 is 81378438.

It is a self number, because there is not a number n which added to its sum of digits gives 83487318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83487319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19596 + ... + 23472.

It is an arithmetic number, because the mean of its divisors is an integer number (5415627).

Almost surely, 2^83487318 is an apocalyptic number.

83487318 is an abundant number, since it is smaller than the sum of its proper divisors (89812746).

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

83487318 is a wasteful number, since it uses less digits than its factorization.

83487318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4016.

The product of its digits is 129024, while the sum is 42.

The square root of 83487318 is about 9137.1394867322. The cubic root of 83487318 is about 437.0591028217.

The spelling of 83487318 in words is "eighty-three million, four hundred eighty-seven thousand, three hundred eighteen".