80978022488 has 64 divisors (see below), whose sum is σ = 168424945920. Its totient is φ = 36191433600.

The previous prime is 80978022449. The next prime is 80978022557. The reversal of 80978022488 is 88422087908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2313131 + ... + 2347877.

It is an arithmetic number, because the mean of its divisors is an integer number (2631639780).

Almost surely, 2^80978022488 is an apocalyptic number.

80978022488 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80978022488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84212472960).

80978022488 is an abundant number, since it is smaller than the sum of its proper divisors (87446923432).

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

80978022488 is a wasteful number, since it uses less digits than its factorization.

80978022488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35208 (or 35204 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 56.

The spelling of 80978022488 in words is "eighty billion, nine hundred seventy-eight million, twenty-two thousand, four hundred eighty-eight".