80193576906 has 64 divisors (see below), whose sum is σ = 188070480000. Its totient is φ = 25259060736.

The previous prime is 80193576857. The next prime is 80193576913. The reversal of 80193576906 is 60967539108.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 298650 + ... + 499578.

It is an arithmetic number, because the mean of its divisors is an integer number (2938601250).

Almost surely, 2^80193576906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80193576906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94035240000).

80193576906 is an abundant number, since it is smaller than the sum of its proper divisors (107876903094).

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

80193576906 is a wasteful number, since it uses less digits than its factorization.

80193576906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201348 (or 201342 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The spelling of 80193576906 in words is "eighty billion, one hundred ninety-three million, five hundred seventy-six thousand, nine hundred six".