373856774987 has 2 divisors, whose sum is σ = 373856774988. Its totient is φ = 373856774986.

The previous prime is 373856774933. The next prime is 373856775013. The reversal of 373856774987 is 789477658373.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 373856774987 - 2²⁰ = 373855726411 is a prime.

It is not a weakly prime, because it can be changed into another prime (373856774917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186928387493 + 186928387494.

It is an arithmetic number, because the mean of its divisors is an integer number (186928387494).

Almost surely, 2^373856774987 is an apocalyptic number.

373856774987 is a deficient number, since it is larger than the sum of its proper divisors (1).

373856774987 is an equidigital number, since it uses as much as digits as its factorization.

373856774987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1493614080, while the sum is 74.

The spelling of 373856774987 in words is "three hundred seventy-three billion, eight hundred fifty-six million, seven hundred seventy-four thousand, nine hundred eighty-seven".