80326917600 has 144 divisors (see below), whose sum is σ = 276844499568. Its totient is φ = 20160471040.

The previous prime is 80326917581. The next prime is 80326917613. The reversal of 80326917600 is 671962308.

It is a happy number.

It is a super-2 number, since 2×80326917600² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 943599 + ... + 1025198.

It is an arithmetic number, because the mean of its divisors is an integer number (1922531247).

Almost surely, 2^80326917600 is an apocalyptic number.

80326917600 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80326917600 is an abundant number, since it is smaller than the sum of its proper divisors (196517581968).

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

80326917600 is a wasteful number, since it uses less digits than its factorization.

80326917600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968837 (or 1968824 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 80326917600 in words is "eighty billion, three hundred twenty-six million, nine hundred seventeen thousand, six hundred".