83647822280 has 64 divisors (see below), whose sum is σ = 205365240000. Its totient is φ = 30410300160.

The previous prime is 83647822273. The next prime is 83647822283. The reversal of 83647822280 is 8222874638.

It is not an unprimeable number, because it can be changed into a prime (83647822283) 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, 2097971 + ... + 2137469.

It is an arithmetic number, because the mean of its divisors is an integer number (3208831875).

Almost surely, 2^83647822280 is an apocalyptic number.

It is an amenable number.

83647822280 is an abundant number, since it is smaller than the sum of its proper divisors (121717417720).

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

83647822280 is a wasteful number, since it uses less digits than its factorization.

83647822280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44334 (or 44330 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 50.

The spelling of 83647822280 in words is "eighty-three billion, six hundred forty-seven million, eight hundred twenty-two thousand, two hundred eighty".