13797878472 has 64 divisors (see below), whose sum is σ = 43802793600. Its totient is φ = 3942250560.

The previous prime is 13797878467. The next prime is 13797878491. The reversal of 13797878472 is 27487879731.

13797878472 is a `hidden beast` number, since 1 + 3 + 7 + 97 + 8 + 78 + 472 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

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, 4561279 + ... + 4564302.

It is an arithmetic number, because the mean of its divisors is an integer number (684418650).

Almost surely, 2^13797878472 is an apocalyptic number.

13797878472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13797878472 is an abundant number, since it is smaller than the sum of its proper divisors (30004915128).

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

13797878472 is a wasteful number, since it uses less digits than its factorization.

13797878472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9125603 (or 9125593 counting only the distinct ones).

The product of its digits is 33191424, while the sum is 63.

The spelling of 13797878472 in words is "thirteen billion, seven hundred ninety-seven million, eight hundred seventy-eight thousand, four hundred seventy-two".