83902280 has 64 divisors (see below), whose sum is σ = 235370880. Its totient is φ = 26150400.

The previous prime is 83902253. The next prime is 83902283. The reversal of 83902280 is 8220938.

It is a happy number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (83902283) 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, 10541 + ... + 16700.

It is an arithmetic number, because the mean of its divisors is an integer number (3677670).

Almost surely, 2^83902280 is an apocalyptic number.

It is an amenable number.

83902280 is an abundant number, since it is smaller than the sum of its proper divisors (151468600).

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

83902280 is a wasteful number, since it uses less digits than its factorization.

83902280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27270 (or 27266 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 83902280 is about 9159.8187754999. The cubic root of 83902280 is about 437.7820200707.

The spelling of 83902280 in words is "eighty-three million, nine hundred two thousand, two hundred eighty".