12402577447 has 8 divisors (see below), whose sum is σ = 13357488816. Its totient is φ = 11447789952.

The previous prime is 12402577403. The next prime is 12402577487. The reversal of 12402577447 is 74477520421.

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

It is a cyclic number.

It is not a de Polignac number, because 12402577447 - 2²³ = 12394188839 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 (12402577487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358068 + ... + 391174.

It is an arithmetic number, because the mean of its divisors is an integer number (1669686102).

Almost surely, 2^12402577447 is an apocalyptic number.

12402577447 is a deficient number, since it is larger than the sum of its proper divisors (954911369).

12402577447 is a wasteful number, since it uses less digits than its factorization.

12402577447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61937.

The product of its (nonzero) digits is 439040, while the sum is 43.

The spelling of 12402577447 in words is "twelve billion, four hundred two million, five hundred seventy-seven thousand, four hundred forty-seven".