13892231808 has 512 divisors, whose sum is σ = 50960179200. Its totient is φ = 3627970560.

The previous prime is 13892231783. The next prime is 13892231831. The reversal of 13892231808 is 80813229831.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51262713 + ... + 51262983.

It is an arithmetic number, because the mean of its divisors is an integer number (99531600).

Almost surely, 2^13892231808 is an apocalyptic number.

13892231808 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 13892231808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25480089600).

13892231808 is an abundant number, since it is smaller than the sum of its proper divisors (37067947392).

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

13892231808 is a wasteful number, since it uses less digits than its factorization.

13892231808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 13892231808 in words is "thirteen billion, eight hundred ninety-two million, two hundred thirty-one thousand, eight hundred eight".