80800406779232 has 192 divisors, whose sum is σ = 187326096781824. Its totient is φ = 33588366336000.

The previous prime is 80800406779219. The next prime is 80800406779241. The reversal of 80800406779232 is 23297760400808.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

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, 814692398 + ... + 814791570.

It is an arithmetic number, because the mean of its divisors is an integer number (975656754072).

Almost surely, 2^{80800406779232} 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 80800406779232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93663048390912).

80800406779232 is an abundant number, since it is smaller than the sum of its proper divisors (106525690002592).

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

80800406779232 is a wasteful number, since it uses less digits than its factorization.

80800406779232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99821 (or 99813 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 56.

The spelling of 80800406779232 in words is "eighty trillion, eight hundred billion, four hundred six million, seven hundred seventy-nine thousand, two hundred thirty-two".