83903647380 has 96 divisors (see below), whose sum is σ = 277750045440. Its totient is φ = 18516664320.

The previous prime is 83903647363. The next prime is 83903647453. The reversal of 83903647380 is 8374630938.

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, 3432141 + ... + 3456500.

It is an arithmetic number, because the mean of its divisors is an integer number (2893229640).

Almost surely, 2^83903647380 is an apocalyptic number.

It is an amenable number.

83903647380 is an abundant number, since it is smaller than the sum of its proper divisors (193846398060).

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

83903647380 is a wasteful number, since it uses less digits than its factorization.

83903647380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6888689 (or 6888687 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 83903647380 in words is "eighty-three billion, nine hundred three million, six hundred forty-seven thousand, three hundred eighty".