14977739664 has 120 divisors (see below), whose sum is σ = 43001712000. Its totient is φ = 4864329984.

The previous prime is 14977739663. The next prime is 14977739669. The reversal of 14977739664 is 46693777941.

It is not an unprimeable number, because it can be changed into a prime (14977739663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1531462 + ... + 1541210.

It is an arithmetic number, because the mean of its divisors is an integer number (358347600).

Almost surely, 2^14977739664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14977739664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21500856000).

14977739664 is an abundant number, since it is smaller than the sum of its proper divisors (28023972336).

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

14977739664 is a wasteful number, since it uses less digits than its factorization.

14977739664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10037 (or 10028 counting only the distinct ones).

The product of its digits is 48009024, while the sum is 63.

The spelling of 14977739664 in words is "fourteen billion, nine hundred seventy-seven million, seven hundred thirty-nine thousand, six hundred sixty-four".