85829440751 has 2 divisors, whose sum is σ = 85829440752. Its totient is φ = 85829440750.

The previous prime is 85829440733. The next prime is 85829440817. The reversal of 85829440751 is 15704492858.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85829440751 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 85829440693 and 85829440702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85829440721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42914720375 + 42914720376.

It is an arithmetic number, because the mean of its divisors is an integer number (42914720376).

Almost surely, 2^85829440751 is an apocalyptic number.

85829440751 is a deficient number, since it is larger than the sum of its proper divisors (1).

85829440751 is an equidigital number, since it uses as much as digits as its factorization.

85829440751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3225600, while the sum is 53.

The spelling of 85829440751 in words is "eighty-five billion, eight hundred twenty-nine million, four hundred forty thousand, seven hundred fifty-one".