8001677450891 has 8 divisors (see below), whose sum is σ = 8027722841424. Its totient is φ = 7975656623520.

The previous prime is 8001677450867. The next prime is 8001677450903. The reversal of 8001677450891 is 1980547761008.

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 8001677450891 - 2⁶ = 8001677450827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8001677450791) 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, 5488100 + ... + 6791361.

It is an arithmetic number, because the mean of its divisors is an integer number (1003465355178).

Almost surely, 2^{8001677450891} is an apocalyptic number.

8001677450891 is a deficient number, since it is larger than the sum of its proper divisors (26045390533).

8001677450891 is a wasteful number, since it uses less digits than its factorization.

8001677450891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12281581.

The product of its (nonzero) digits is 3386880, while the sum is 56.

The spelling of 8001677450891 in words is "eight trillion, one billion, six hundred seventy-seven million, four hundred fifty thousand, eight hundred ninety-one".