83944579025 has 12 divisors (see below), whose sum is σ = 105855538800. Its totient is φ = 66017430480.

The previous prime is 83944579001. The next prime is 83944579027. The reversal of 83944579025 is 52097544938.

It is not a de Polignac number, because 83944579025 - 2¹² = 83944574929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83944579027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28454315 + ... + 28457264.

It is an arithmetic number, because the mean of its divisors is an integer number (8821294900).

Almost surely, 2^83944579025 is an apocalyptic number.

It is an amenable number.

83944579025 is a deficient number, since it is larger than the sum of its proper divisors (21910959775).

83944579025 is a wasteful number, since it uses less digits than its factorization.

83944579025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56911648 (or 56911643 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 83944579025 in words is "eighty-three billion, nine hundred forty-four million, five hundred seventy-nine thousand, twenty-five".