376844856721 has 8 divisors (see below), whose sum is σ = 399120960384. Its totient is φ = 354580837440.

The previous prime is 376844856719. The next prime is 376844856733. The reversal of 376844856721 is 127658448673.

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

It is not a de Polignac number, because 376844856721 - 2¹ = 376844856719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 376844856721.

It is not an unprimeable number, because it can be changed into a prime (376844856821) 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, 2956845 + ... + 3081658.

It is an arithmetic number, because the mean of its divisors is an integer number (49890120048).

Almost surely, 2^376844856721 is an apocalyptic number.

It is an amenable number.

376844856721 is a deficient number, since it is larger than the sum of its proper divisors (22276103663).

376844856721 is a wasteful number, since it uses less digits than its factorization.

376844856721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6042191.

The product of its digits is 54190080, while the sum is 61.

The spelling of 376844856721 in words is "three hundred seventy-six billion, eight hundred forty-four million, eight hundred fifty-six thousand, seven hundred twenty-one".