12570479777 has 8 divisors (see below), whose sum is σ = 13422070464. Its totient is φ = 11744309808.

The previous prime is 12570479771. The next prime is 12570479783. The reversal of 12570479777 is 77797407521.

It is an interprime number because it is at equal distance from previous prime (12570479771) and next prime (12570479783).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12570479777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12570479771) 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, 6354158 + ... + 6356135.

It is an arithmetic number, because the mean of its divisors is an integer number (1677758808).

Almost surely, 2^12570479777 is an apocalyptic number.

It is an amenable number.

12570479777 is a deficient number, since it is larger than the sum of its proper divisors (851590687).

12570479777 is a wasteful number, since it uses less digits than its factorization.

12570479777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12710359.

The product of its (nonzero) digits is 6050520, while the sum is 56.

The spelling of 12570479777 in words is "twelve billion, five hundred seventy million, four hundred seventy-nine thousand, seven hundred seventy-seven".