85315883445 has 64 divisors (see below), whose sum is σ = 171936710400. Its totient is φ = 39791036160.

The previous prime is 85315883441. The next prime is 85315883449. The reversal of 85315883445 is 54438851358.

85315883445 is a `hidden beast` number, since 8 + 53 + 1 + 588 + 3 + 4 + 4 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (85315883441) and next prime (85315883449).

It is not a de Polignac number, because 85315883445 - 2² = 85315883441 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 85315883391 and 85315883400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85315883441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1245946 + ... + 1312635.

It is an arithmetic number, because the mean of its divisors is an integer number (2686511100).

Almost surely, 2^85315883445 is an apocalyptic number.

It is an amenable number.

85315883445 is an abundant number, since it is smaller than the sum of its proper divisors (86620826955).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85315883445 is a wasteful number, since it uses less digits than its factorization.

85315883445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558627 (or 2558621 counting only the distinct ones).

The product of its digits is 9216000, while the sum is 54.

The spelling of 85315883445 in words is "eighty-five billion, three hundred fifteen million, eight hundred eighty-three thousand, four hundred forty-five".