338402972679 has 32 divisors (see below), whose sum is σ = 461366269440. Its totient is φ = 220574420352.

The previous prime is 338402972671. The next prime is 338402972711. The reversal of 338402972679 is 976279204833.

It is not a de Polignac number, because 338402972679 - 2³ = 338402972671 is a prime.

It is a super-2 number, since 2×338402972679² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338402972671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31015077 + ... + 31025985.

It is an arithmetic number, because the mean of its divisors is an integer number (14417695920).

Almost surely, 2^338402972679 is an apocalyptic number.

338402972679 is a deficient number, since it is larger than the sum of its proper divisors (122963296761).

338402972679 is a wasteful number, since it uses less digits than its factorization.

338402972679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12119.

The product of its (nonzero) digits is 27433728, while the sum is 60.

The spelling of 338402972679 in words is "three hundred thirty-eight billion, four hundred two million, nine hundred seventy-two thousand, six hundred seventy-nine".