948890851 has 2 divisors, whose sum is σ = 948890852. Its totient is φ = 948890850.

The previous prime is 948890821. The next prime is 948890861. The reversal of 948890851 is 158098849.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 948890851 - 2⁹ = 948890339 is a prime.

It is a super-2 number, since 2×948890851² = 1800787694223008402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (948890821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474445425 + 474445426.

It is an arithmetic number, because the mean of its divisors is an integer number (474445426).

Almost surely, 2^948890851 is an apocalyptic number.

948890851 is a deficient number, since it is larger than the sum of its proper divisors (1).

948890851 is an equidigital number, since it uses as much as digits as its factorization.

948890851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 52.

The square root of 948890851 is about 30804.0719873201. The cubic root of 948890851 is about 982.6648458800.

The spelling of 948890851 in words is "nine hundred forty-eight million, eight hundred ninety thousand, eight hundred fifty-one".