12417783547 has 8 divisors (see below), whose sum is σ = 13390398560. Its totient is φ = 11447654400.

The previous prime is 12417783493. The next prime is 12417783613. The reversal of 12417783547 is 74538771421.

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

It is not a de Polignac number, because 12417783547 - 2⁷ = 12417783419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12417783547.

It is not an unprimeable number, because it can be changed into a prime (12417781547) 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, 611079 + ... + 631072.

It is an arithmetic number, because the mean of its divisors is an integer number (1673799820).

Almost surely, 2^12417783547 is an apocalyptic number.

12417783547 is a deficient number, since it is larger than the sum of its proper divisors (972615013).

12417783547 is a wasteful number, since it uses less digits than its factorization.

12417783547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242933.

The product of its digits is 1317120, while the sum is 49.

The spelling of 12417783547 in words is "twelve billion, four hundred seventeen million, seven hundred eighty-three thousand, five hundred forty-seven".