8376400663 has 8 divisors (see below), whose sum is σ = 8647727616. Its totient is φ = 8105143800.

The previous prime is 8376400657. The next prime is 8376400679. The reversal of 8376400663 is 3660046738.

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

It is a cyclic number.

It is not a de Polignac number, because 8376400663 - 2⁵ = 8376400631 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 (8376400603) 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, 344208 + ... + 367738.

It is an arithmetic number, because the mean of its divisors is an integer number (1080965952).

Almost surely, 2^8376400663 is an apocalyptic number.

8376400663 is a deficient number, since it is larger than the sum of its proper divisors (271326953).

8376400663 is a wasteful number, since it uses less digits than its factorization.

8376400663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35045.

The product of its (nonzero) digits is 435456, while the sum is 43.

The square root of 8376400663 is about 91522.6784081410. The cubic root of 8376400663 is about 2030.8872550594.

The spelling of 8376400663 in words is "eight billion, three hundred seventy-six million, four hundred thousand, six hundred sixty-three".