83253680 has 20 divisors (see below), whose sum is σ = 193564992. Its totient is φ = 33301440.

The previous prime is 83253673. The next prime is 83253701. The reversal of 83253680 is 8635238.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 83253680.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520256 + ... + 520415.

Almost surely, 2^83253680 is an apocalyptic number.

83253680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

83253680 is an abundant number, since it is smaller than the sum of its proper divisors (110311312).

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

83253680 is a wasteful number, since it uses less digits than its factorization.

83253680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040684 (or 1040678 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 83253680 is about 9124.3454559766. The cubic root of 83253680 is about 436.6510208122.

The spelling of 83253680 in words is "eighty-three million, two hundred fifty-three thousand, six hundred eighty".