85101886723 has 4 divisors (see below), whose sum is σ = 97259299120. Its totient is φ = 72944474328.

The previous prime is 85101886721. The next prime is 85101886739. The reversal of 85101886723 is 32768810158.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85101886723 - 2¹ = 85101886721 is a prime.

It is a super-2 number, since 2×85101886723² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85101886721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6078706188 + ... + 6078706201.

It is an arithmetic number, because the mean of its divisors is an integer number (24314824780).

Almost surely, 2^85101886723 is an apocalyptic number.

85101886723 is a deficient number, since it is larger than the sum of its proper divisors (12157412397).

85101886723 is a wasteful number, since it uses less digits than its factorization.

85101886723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12157412396.

The product of its (nonzero) digits is 645120, while the sum is 49.

The spelling of 85101886723 in words is "eighty-five billion, one hundred one million, eight hundred eighty-six thousand, seven hundred twenty-three".