920057911 has 2 divisors, whose sum is σ = 920057912. Its totient is φ = 920057910.

The previous prime is 920057863. The next prime is 920057927. The reversal of 920057911 is 119750029.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 920057911 - 2¹³ = 920049719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (920087911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460028955 + 460028956.

It is an arithmetic number, because the mean of its divisors is an integer number (460028956).

Almost surely, 2^920057911 is an apocalyptic number.

920057911 is a deficient number, since it is larger than the sum of its proper divisors (1).

920057911 is an equidigital number, since it uses as much as digits as its factorization.

920057911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 34.

The square root of 920057911 is about 30332.4563957488. The cubic root of 920057911 is about 972.6092328891.

The spelling of 920057911 in words is "nine hundred twenty million, fifty-seven thousand, nine hundred eleven".