8972818567 has 2 divisors, whose sum is σ = 8972818568. Its totient is φ = 8972818566.

The previous prime is 8972818541. The next prime is 8972818577. The reversal of 8972818567 is 7658182798.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8972818567 - 2²³ = 8964429959 is a prime.

It is a super-2 number, since 2×8972818567² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8972818537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4486409283 + 4486409284.

It is an arithmetic number, because the mean of its divisors is an integer number (4486409284).

Almost surely, 2^8972818567 is an apocalyptic number.

8972818567 is a deficient number, since it is larger than the sum of its proper divisors (1).

8972818567 is an equidigital number, since it uses as much as digits as its factorization.

8972818567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13547520, while the sum is 61.

The square root of 8972818567 is about 94724.9627447802. The cubic root of 8972818567 is about 2077.9876499275.

The spelling of 8972818567 in words is "eight billion, nine hundred seventy-two million, eight hundred eighteen thousand, five hundred sixty-seven".