85023091692 has 288 divisors, whose sum is σ = 284648931840. Its totient is φ = 21320651520.

The previous prime is 85023091679. The next prime is 85023091753. The reversal of 85023091692 is 29619032058.

It is a super-2 number, since 2×85023091692² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6987678 + ... + 6999834.

Almost surely, 2^85023091692 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85023091692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142324465920).

85023091692 is an abundant number, since it is smaller than the sum of its proper divisors (199625840148).

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

85023091692 is a wasteful number, since it uses less digits than its factorization.

85023091692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12246 (or 12209 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 85023091692 in words is "eighty-five billion, twenty-three million, ninety-one thousand, six hundred ninety-two".