85814500731 has 8 divisors (see below), whose sum is σ = 118110280704. Its totient is φ = 55364193960.

The previous prime is 85814500721. The next prime is 85814500763. The reversal of 85814500731 is 13700541858.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85814500731 - 2³⁴ = 68634631547 is a prime.

It is a super-2 number, since 2×85814500731² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85814500721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461368191 + ... + 461368376.

It is an arithmetic number, because the mean of its divisors is an integer number (14763785088).

Almost surely, 2^85814500731 is an apocalyptic number.

85814500731 is a deficient number, since it is larger than the sum of its proper divisors (32295779973).

85814500731 is a wasteful number, since it uses less digits than its factorization.

85814500731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922736601.

The product of its (nonzero) digits is 134400, while the sum is 42.

The spelling of 85814500731 in words is "eighty-five billion, eight hundred fourteen million, five hundred thousand, seven hundred thirty-one".