85699747381207 has 2 divisors, whose sum is σ = 85699747381208. Its totient is φ = 85699747381206.

The previous prime is 85699747380953. The next prime is 85699747381267. The reversal of 85699747381207 is 70218374799658.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85699747381207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85699747381267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42849873690603 + 42849873690604.

It is an arithmetic number, because the mean of its divisors is an integer number (42849873690604).

It is a 1-persistent number, because it is pandigital, but 2⋅85699747381207 = 171399494762414 is not.

Almost surely, 2^{85699747381207} is an apocalyptic number.

85699747381207 is a deficient number, since it is larger than the sum of its proper divisors (1).

85699747381207 is an equidigital number, since it uses as much as digits as its factorization.

85699747381207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280240640, while the sum is 76.

The spelling of 85699747381207 in words is "eighty-five trillion, six hundred ninety-nine billion, seven hundred forty-seven million, three hundred eighty-one thousand, two hundred seven".