8817397801 has 3 divisors (see below), whose sum is σ = 8817491703. Its totient is φ = 8817303900.

The previous prime is 8817397789. The next prime is 8817397817. The reversal of 8817397801 is 1087937188.

The square root of 8817397801 is 93901.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 5520341401 + 3297056400 = 74299^2 + 57420^2 .

It is a de Polignac number, because none of the positive numbers 2^k-8817397801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8817397601) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 46951 + ... + 140851.

It is an arithmetic number, because the mean of its divisors is an integer number (2939163901).

Almost surely, 2^8817397801 is an apocalyptic number.

8817397801 is the 93901-st square number.

8817397801 is the 46951-st centered octagonal number.

It is an amenable number.

8817397801 is a deficient number, since it is larger than the sum of its proper divisors (93902).

8817397801 is an frugal number, since it uses more digits than its factorization.

8817397801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187802 (or 93901 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 52.

The cubic root of 8817397801 is about 2065.9198961872.

The spelling of 8817397801 in words is "eight billion, eight hundred seventeen million, three hundred ninety-seven thousand, eight hundred one".