8001677663 has 8 divisors (see below), whose sum is σ = 9153196032. Its totient is φ = 6852264696.

The previous prime is 8001677659. The next prime is 8001677669. The reversal of 8001677663 is 3667761008.

It is a happy number.

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 8001677663 - 2² = 8001677659 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 (8001677669) 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, 518195 + ... + 533412.

It is an arithmetic number, because the mean of its divisors is an integer number (1144149504).

Almost surely, 2^8001677663 is an apocalyptic number.

8001677663 is a deficient number, since it is larger than the sum of its proper divisors (1151518369).

8001677663 is a wasteful number, since it uses less digits than its factorization.

8001677663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052701.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 8001677663 is about 89452.0970296393. The cubic root of 8001677663 is about 2000.1397954784.

The spelling of 8001677663 in words is "eight billion, one million, six hundred seventy-seven thousand, six hundred sixty-three".