83420452808 has 64 divisors (see below), whose sum is σ = 195046358400. Its totient is φ = 32495224320.

The previous prime is 83420452781. The next prime is 83420452811. The reversal of 83420452808 is 80825402438.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 4411598 + ... + 4430466.

It is an arithmetic number, because the mean of its divisors is an integer number (3047599350).

Almost surely, 2^83420452808 is an apocalyptic number.

83420452808 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

83420452808 is an abundant number, since it is smaller than the sum of its proper divisors (111625905592).

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

83420452808 is a wasteful number, since it uses less digits than its factorization.

83420452808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26070 (or 26066 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 44.

The spelling of 83420452808 in words is "eighty-three billion, four hundred twenty million, four hundred fifty-two thousand, eight hundred eight".