85101886739 has 2 divisors, whose sum is σ = 85101886740. Its totient is φ = 85101886738.

The previous prime is 85101886721. The next prime is 85101886813. The reversal of 85101886739 is 93768810158.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85101886739 is a prime.

It is a super-2 number, since 2×85101886739² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85101886139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42550943369 + 42550943370.

It is an arithmetic number, because the mean of its divisors is an integer number (42550943370).

Almost surely, 2^85101886739 is an apocalyptic number.

85101886739 is a deficient number, since it is larger than the sum of its proper divisors (1).

85101886739 is an equidigital number, since it uses as much as digits as its factorization.

85101886739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 56.

The spelling of 85101886739 in words is "eighty-five billion, one hundred one million, eight hundred eighty-six thousand, seven hundred thirty-nine".