83824720628 has 96 divisors (see below), whose sum is σ = 166525341696. Its totient is φ = 36595440000.

The previous prime is 83824720597. The next prime is 83824720663. The reversal of 83824720628 is 82602742838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20388293 + ... + 20392403.

It is an arithmetic number, because the mean of its divisors is an integer number (1734638976).

Almost surely, 2^83824720628 is an apocalyptic number.

It is an amenable number.

83824720628 is a deficient number, since it is larger than the sum of its proper divisors (82700621068).

83824720628 is a wasteful number, since it uses less digits than its factorization.

83824720628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4365 (or 4363 counting only the distinct ones).

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

The spelling of 83824720628 in words is "eighty-three billion, eight hundred twenty-four million, seven hundred twenty thousand, six hundred twenty-eight".