12579047957 has 8 divisors (see below), whose sum is σ = 14710382016. Its totient is φ = 10531295712.

The previous prime is 12579047893. The next prime is 12579047963. The reversal of 12579047957 is 75974097521.

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

It is not a de Polignac number, because 12579047957 - 2⁶ = 12579047893 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 (12579049957) 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, 20895128 + ... + 20895729.

It is an arithmetic number, because the mean of its divisors is an integer number (1838797752).

Almost surely, 2^12579047957 is an apocalyptic number.

It is an amenable number.

12579047957 is a deficient number, since it is larger than the sum of its proper divisors (2131334059).

12579047957 is an equidigital number, since it uses as much as digits as its factorization.

12579047957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41790907.

The product of its (nonzero) digits is 5556600, while the sum is 56.

The spelling of 12579047957 in words is "twelve billion, five hundred seventy-nine million, forty-seven thousand, nine hundred fifty-seven".