8860891331 has 2 divisors, whose sum is σ = 8860891332. Its totient is φ = 8860891330.

The previous prime is 8860891321. The next prime is 8860891439. The reversal of 8860891331 is 1331980688.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8860891331 - 2¹⁴ = 8860874947 is a prime.

It is a super-2 number, since 2×8860891331² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8860891321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4430445665 + 4430445666.

It is an arithmetic number, because the mean of its divisors is an integer number (4430445666).

Almost surely, 2^8860891331 is an apocalyptic number.

8860891331 is a deficient number, since it is larger than the sum of its proper divisors (1).

8860891331 is an equidigital number, since it uses as much as digits as its factorization.

8860891331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 8860891331 is about 94132.3075835284. The cubic root of 8860891331 is about 2069.3111768320.

The spelling of 8860891331 in words is "eight billion, eight hundred sixty million, eight hundred ninety-one thousand, three hundred thirty-one".