80623294272 has 196 divisors, whose sum is σ = 240420652000. Its totient is φ = 26812829952.

The previous prime is 80623294181. The next prime is 80623294273. The reversal of 80623294272 is 27249232608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80623294273) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 23279613 + ... + 23283075.

Almost surely, 2^80623294272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80623294272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120210326000).

80623294272 is an abundant number, since it is smaller than the sum of its proper divisors (159797357728).

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

80623294272 is an equidigital number, since it uses as much as digits as its factorization.

80623294272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3992 (or 3967 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 80623294272 in words is "eighty billion, six hundred twenty-three million, two hundred ninety-four thousand, two hundred seventy-two".