85762891 has 2 divisors, whose sum is σ = 85762892. Its totient is φ = 85762890.

The previous prime is 85762843. The next prime is 85762907. The reversal of 85762891 is 19826758.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85762891 - 2⁷ = 85762763 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85762811) 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, 42881445 + 42881446.

It is an arithmetic number, because the mean of its divisors is an integer number (42881446).

Almost surely, 2^85762891 is an apocalyptic number.

85762891 is a deficient number, since it is larger than the sum of its proper divisors (1).

85762891 is an equidigital number, since it uses as much as digits as its factorization.

85762891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 46.

The square root of 85762891 is about 9260.8256111429. The cubic root of 85762891 is about 440.9944638284.

The spelling of 85762891 in words is "eighty-five million, seven hundred sixty-two thousand, eight hundred ninety-one".