80603256736 has 24 divisors (see below), whose sum is σ = 163806620544. Its totient is φ = 39001575360.

The previous prime is 80603256733. The next prime is 80603256737. The reversal of 80603256736 is 63765230608.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (80603256733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40625650 + ... + 40627633.

It is an arithmetic number, because the mean of its divisors is an integer number (6825275856).

Almost surely, 2^80603256736 is an apocalyptic number.

It is an amenable number.

80603256736 is an abundant number, since it is smaller than the sum of its proper divisors (83203363808).

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

80603256736 is a wasteful number, since it uses less digits than its factorization.

80603256736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81253324 (or 81253316 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 80603256736 in words is "eighty billion, six hundred three million, two hundred fifty-six thousand, seven hundred thirty-six".