83280624 has 80 divisors (see below), whose sum is σ = 250103040. Its totient is φ = 23385600.

The previous prime is 83280607. The next prime is 83280653. The reversal of 83280624 is 42608238.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17724 + ... + 21924.

It is an arithmetic number, because the mean of its divisors is an integer number (3126288).

Almost surely, 2^83280624 is an apocalyptic number.

83280624 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83280624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125051520).

83280624 is an abundant number, since it is smaller than the sum of its proper divisors (166822416).

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

83280624 is a wasteful number, since it uses less digits than its factorization.

83280624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4278 (or 4272 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 83280624 is about 9125.8218260056. The cubic root of 83280624 is about 436.6981212571.

The spelling of 83280624 in words is "eighty-three million, two hundred eighty thousand, six hundred twenty-four".