13182977808 has 240 divisors, whose sum is σ = 49536579456. Its totient is φ = 3160719360.

The previous prime is 13182977807. The next prime is 13182977837. The reversal of 13182977808 is 80877928131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13182977807) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98416 + ... + 189872.

Almost surely, 2^13182977808 is an apocalyptic number.

13182977808 is a gapful number since it is divisible by the number (18) 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 13182977808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24768289728).

13182977808 is an abundant number, since it is smaller than the sum of its proper divisors (36353601648).

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

13182977808 is a wasteful number, since it uses less digits than its factorization.

13182977808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91502 (or 91493 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 54.

The spelling of 13182977808 in words is "thirteen billion, one hundred eighty-two million, nine hundred seventy-seven thousand, eight hundred eight".