80319403008 has 220 divisors, whose sum is σ = 258302864820. Its totient is φ = 24713330688.

The previous prime is 80319402997. The next prime is 80319403037. The reversal of 80319403008 is 80030491308.

It can be written as a sum of positive squares in 2 ways, for example, as 31269556224 + 49049846784 = 176832^2 + 221472^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1041028 + ... + 1115516.

It is an arithmetic number, because the mean of its divisors is an integer number (1174103931).

Almost surely, 2^80319403008 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 80319403008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129151432410).

80319403008 is an abundant number, since it is smaller than the sum of its proper divisors (177983461812).

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

80319403008 is a wasteful number, since it uses less digits than its factorization.

80319403008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74534 (or 74507 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 80319403008 in words is "eighty billion, three hundred nineteen million, four hundred three thousand, eight".