83439597480 has 32 divisors (see below), whose sum is σ = 250318792800. Its totient is φ = 22250559296.

The previous prime is 83439597467. The next prime is 83439597481. The reversal of 83439597480 is 8479593438.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (83439597481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347664870 + ... + 347665109.

It is an arithmetic number, because the mean of its divisors is an integer number (7822462275).

Almost surely, 2^83439597480 is an apocalyptic number.

It is an amenable number.

83439597480 is an abundant number, since it is smaller than the sum of its proper divisors (166879195320).

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

83439597480 is a wasteful number, since it uses less digits than its factorization.

83439597480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695329993 (or 695329989 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 83439597480 in words is "eighty-three billion, four hundred thirty-nine million, five hundred ninety-seven thousand, four hundred eighty".