83164280 has 32 divisors (see below), whose sum is σ = 187917840. Its totient is φ = 33123840.

The previous prime is 83164259. The next prime is 83164283. The reversal of 83164280 is 8246138.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83164283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5327 + ... + 13953.

Almost surely, 2^83164280 is an apocalyptic number.

It is an amenable number.

83164280 is an abundant number, since it is smaller than the sum of its proper divisors (104753560).

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

83164280 is a wasteful number, since it uses less digits than its factorization.

83164280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8879 (or 8875 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 83164280 is about 9119.4451585609. The cubic root of 83164280 is about 436.4946690351.

The spelling of 83164280 in words is "eighty-three million, one hundred sixty-four thousand, two hundred eighty".