12237758677 has 4 divisors (see below), whose sum is σ = 12522357760. Its totient is φ = 11953159596.

The previous prime is 12237758653. The next prime is 12237758719. The reversal of 12237758677 is 77685773221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77685773221 = 7 ⋅11097967603.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12237758677 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 (12237758077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142299477 + ... + 142299562.

It is an arithmetic number, because the mean of its divisors is an integer number (3130589440).

Almost surely, 2^12237758677 is an apocalyptic number.

It is an amenable number.

12237758677 is a deficient number, since it is larger than the sum of its proper divisors (284599083).

12237758677 is an equidigital number, since it uses as much as digits as its factorization.

12237758677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284599082.

The product of its digits is 6914880, while the sum is 55.

The spelling of 12237758677 in words is "twelve billion, two hundred thirty-seven million, seven hundred fifty-eight thousand, six hundred seventy-seven".