948985771 has 2 divisors, whose sum is σ = 948985772. Its totient is φ = 948985770.

The previous prime is 948985769. The next prime is 948985853. The reversal of 948985771 is 177589849.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 948985771 - 2¹ = 948985769 is a prime.

Together with 948985769, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (948980771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474492885 + 474492886.

It is an arithmetic number, because the mean of its divisors is an integer number (474492886).

Almost surely, 2^948985771 is an apocalyptic number.

948985771 is a deficient number, since it is larger than the sum of its proper divisors (1).

948985771 is an equidigital number, since it uses as much as digits as its factorization.

948985771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5080320, while the sum is 58.

The square root of 948985771 is about 30805.6126541901. The cubic root of 948985771 is about 982.6976109541.

The spelling of 948985771 in words is "nine hundred forty-eight million, nine hundred eighty-five thousand, seven hundred seventy-one".