85193437892 has 12 divisors (see below), whose sum is σ = 150975713280. Its totient is φ = 42057519816.

The previous prime is 85193437867. The next prime is 85193437993. The reversal of 85193437892 is 29873439158.

It is a super-2 number, since 2×85193437892² (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 3 ways as a sum of consecutive naturals, for example, 134799428 + ... + 134800059.

It is an arithmetic number, because the mean of its divisors is an integer number (12581309440).

Almost surely, 2^85193437892 is an apocalyptic number.

It is an amenable number.

85193437892 is a deficient number, since it is larger than the sum of its proper divisors (65782275388).

85193437892 is a wasteful number, since it uses less digits than its factorization.

85193437892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269599570 (or 269599568 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 59.

The spelling of 85193437892 in words is "eighty-five billion, one hundred ninety-three million, four hundred thirty-seven thousand, eight hundred ninety-two".