83985294392448 has 32 divisors (see below), whose sum is σ = 223085938230960. Its totient is φ = 27995098130688.

The previous prime is 83985294392437. The next prime is 83985294392453. The reversal of 83985294392448 is 84429349258938.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109355851690 + ... + 109355852457.

Almost surely, 2^{83985294392448} is an apocalyptic number.

It is an amenable number.

83985294392448 is an abundant number, since it is smaller than the sum of its proper divisors (139100643838512).

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

83985294392448 is a wasteful number, since it uses less digits than its factorization.

83985294392448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218711704164 (or 218711704152 counting only the distinct ones).

The product of its digits is 4299816960, while the sum is 78.

The spelling of 83985294392448 in words is "eighty-three trillion, nine hundred eighty-five billion, two hundred ninety-four million, three hundred ninety-two thousand, four hundred forty-eight".