85723008007 has 12 divisors (see below), whose sum is σ = 107389263576. Its totient is φ = 67824797040.

The previous prime is 85723007987. The next prime is 85723008023. The reversal of 85723008007 is 70080032758.

It is not a de Polignac number, because 85723008007 - 2²⁷ = 85588790279 is a prime.

It is a super-2 number, since 2×85723008007² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85723008067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67285869 + ... + 67287142.

It is an arithmetic number, because the mean of its divisors is an integer number (8949105298).

Almost surely, 2^85723008007 is an apocalyptic number.

85723008007 is a deficient number, since it is larger than the sum of its proper divisors (21666255569).

85723008007 is a wasteful number, since it uses less digits than its factorization.

85723008007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134573038 (or 134573031 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The spelling of 85723008007 in words is "eighty-five billion, seven hundred twenty-three million, eight thousand, seven".