83700366725 has 12 divisors (see below), whose sum is σ = 103793034276. Its totient is φ = 66957338880.

The previous prime is 83700366703. The next prime is 83700366731. The reversal of 83700366725 is 52766300738.

It can be written as a sum of positive squares in 6 ways, for example, as 15307133284 + 68393233441 = 123722^2 + 261521^2 .

It is not a de Polignac number, because 83700366725 - 2⁸ = 83700366469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83700366725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 638939 + ... + 758711.

It is an arithmetic number, because the mean of its divisors is an integer number (8649419523).

Almost surely, 2^83700366725 is an apocalyptic number.

It is an amenable number.

83700366725 is a deficient number, since it is larger than the sum of its proper divisors (20092667551).

83700366725 is a wasteful number, since it uses less digits than its factorization.

83700366725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147736 (or 147731 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 47.

The spelling of 83700366725 in words is "eighty-three billion, seven hundred million, three hundred sixty-six thousand, seven hundred twenty-five".