14781879957 has 8 divisors (see below), whose sum is σ = 21225263584. Its totient is φ = 9096541488.

The previous prime is 14781879919. The next prime is 14781879991. The reversal of 14781879957 is 75997818741.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14781879957 - 2¹⁰ = 14781878933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14781879157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189511243 + ... + 189511320.

It is an arithmetic number, because the mean of its divisors is an integer number (2653157948).

Almost surely, 2^14781879957 is an apocalyptic number.

It is an amenable number.

14781879957 is a deficient number, since it is larger than the sum of its proper divisors (6443383627).

14781879957 is a wasteful number, since it uses less digits than its factorization.

14781879957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379022579.

The product of its digits is 35562240, while the sum is 66.

The spelling of 14781879957 in words is "fourteen billion, seven hundred eighty-one million, eight hundred seventy-nine thousand, nine hundred fifty-seven".