8820994971 has 4 divisors (see below), whose sum is σ = 11761326632. Its totient is φ = 5880663312.

The previous prime is 8820994961. The next prime is 8820994991. The reversal of 8820994971 is 1794990288.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8820994971 - 2⁶ = 8820994907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8820994961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1470165826 + ... + 1470165831.

It is an arithmetic number, because the mean of its divisors is an integer number (2940331658).

Almost surely, 2^8820994971 is an apocalyptic number.

8820994971 is a deficient number, since it is larger than the sum of its proper divisors (2940331661).

8820994971 is a wasteful number, since it uses less digits than its factorization.

8820994971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2940331660.

The product of its (nonzero) digits is 2612736, while the sum is 57.

The square root of 8820994971 is about 93920.1521027303. The cubic root of 8820994971 is about 2066.2007974570.

The spelling of 8820994971 in words is "eight billion, eight hundred twenty million, nine hundred ninety-four thousand, nine hundred seventy-one".