746879787978647 has 2 divisors, whose sum is σ = 746879787978648. Its totient is φ = 746879787978646.

The previous prime is 746879787978589. The next prime is 746879787978691.

746879787978647 is nontrivially palindromic in base 10.

746879787978647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 746879787978647 - 2⁸ = 746879787978391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (746879787978697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373439893989323 + 373439893989324.

It is an arithmetic number, because the mean of its divisors is an integer number (373439893989324).

Almost surely, 2^{746879787978647} is an apocalyptic number.

746879787978647 is a deficient number, since it is larger than the sum of its proper divisors (1).

746879787978647 is an equidigital number, since it uses as much as digits as its factorization.

746879787978647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2810384252928, while the sum is 104.

The spelling of 746879787978647 in words is "seven hundred forty-six trillion, eight hundred seventy-nine billion, seven hundred eighty-seven million, nine hundred seventy-eight thousand, six hundred forty-seven".