85768751 has 2 divisors, whose sum is σ = 85768752. Its totient is φ = 85768750.

The previous prime is 85768733. The next prime is 85768759. The reversal of 85768751 is 15786758.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85768751 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85768696 and 85768705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85768759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42884375 + 42884376.

It is an arithmetic number, because the mean of its divisors is an integer number (42884376).

Almost surely, 2^85768751 is an apocalyptic number.

85768751 is a deficient number, since it is larger than the sum of its proper divisors (1).

85768751 is an equidigital number, since it uses as much as digits as its factorization.

85768751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 470400, while the sum is 47.

The square root of 85768751 is about 9261.1419922167. The cubic root of 85768751 is about 441.0045076779.

The spelling of 85768751 in words is "eighty-five million, seven hundred sixty-eight thousand, seven hundred fifty-one".