890261072971 has 2 divisors, whose sum is σ = 890261072972. Its totient is φ = 890261072970.

The previous prime is 890261072941. The next prime is 890261073007. The reversal of 890261072971 is 179270162098.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 890261072971 - 2⁷ = 890261072843 is a prime.

It is not a weakly prime, because it can be changed into another prime (890261072941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 445130536485 + 445130536486.

It is an arithmetic number, because the mean of its divisors is an integer number (445130536486).

Almost surely, 2^890261072971 is an apocalyptic number.

890261072971 is a deficient number, since it is larger than the sum of its proper divisors (1).

890261072971 is an equidigital number, since it uses as much as digits as its factorization.

890261072971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 52.

The spelling of 890261072971 in words is "eight hundred ninety billion, two hundred sixty-one million, seventy-two thousand, nine hundred seventy-one".