83404317388 has 12 divisors (see below), whose sum is σ = 166808634832. Its totient is φ = 35744707440.

The previous prime is 83404317371. The next prime is 83404317391. The reversal of 83404317388 is 88371340438.

It is a happy number.

83404317388 is an admirable number.

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, 1489362783 + ... + 1489362838.

Almost surely, 2^83404317388 is an apocalyptic number.

It is an amenable number.

83404317388 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

83404317388 is a wasteful number, since it uses less digits than its factorization.

83404317388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2978725632 (or 2978725630 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 83404317388 in words is "eighty-three billion, four hundred four million, three hundred seventeen thousand, three hundred eighty-eight".