8972273831 has 2 divisors, whose sum is σ = 8972273832. Its totient is φ = 8972273830.

The previous prime is 8972273773. The next prime is 8972273839. The reversal of 8972273831 is 1383722798.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8972273831 - 2⁶ = 8972273767 is a prime.

It is a super-2 number, since 2×8972273831² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8972273831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8972273839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4486136915 + 4486136916.

It is an arithmetic number, because the mean of its divisors is an integer number (4486136916).

Almost surely, 2^8972273831 is an apocalyptic number.

8972273831 is a deficient number, since it is larger than the sum of its proper divisors (1).

8972273831 is an equidigital number, since it uses as much as digits as its factorization.

8972273831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 50.

The square root of 8972273831 is about 94722.0873450327. The cubic root of 8972273831 is about 2077.9455978277.

The spelling of 8972273831 in words is "eight billion, nine hundred seventy-two million, two hundred seventy-three thousand, eight hundred thirty-one".