83421667588 has 36 divisors (see below), whose sum is σ = 169954739472. Its totient is φ = 35724341520.

The previous prime is 83421667573. The next prime is 83421667597. The reversal of 83421667588 is 88576612438.

It is a happy 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, 88195 + ... + 417877.

Almost surely, 2^83421667588 is an apocalyptic number.

It is an amenable number.

83421667588 is an abundant number, since it is smaller than the sum of its proper divisors (86533071884).

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

83421667588 is a wasteful number, since it uses less digits than its factorization.

83421667588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330992 (or 330983 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 58.

The spelling of 83421667588 in words is "eighty-three billion, four hundred twenty-one million, six hundred sixty-seven thousand, five hundred eighty-eight".