13947547008 has 64 divisors (see below), whose sum is σ = 37073246400. Its totient is φ = 4646035968.

The previous prime is 13947546983. The next prime is 13947547021. The reversal of 13947547008 is 80074574931.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 594835 + ... + 617837.

It is an arithmetic number, because the mean of its divisors is an integer number (579269475).

Almost surely, 2^13947547008 is an apocalyptic number.

It is an amenable number.

13947547008 is an abundant number, since it is smaller than the sum of its proper divisors (23125699392).

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

13947547008 is a wasteful number, since it uses less digits than its factorization.

13947547008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24599 (or 24587 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 13947547008 in words is "thirteen billion, nine hundred forty-seven million, five hundred forty-seven thousand, eight".