85072412292 has 48 divisors (see below), whose sum is σ = 226886188032. Its totient is φ = 24303572640.

The previous prime is 85072412233. The next prime is 85072412297. The reversal of 85072412292 is 29221427058.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (85072412297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 728817 + ... + 837447.

It is an arithmetic number, because the mean of its divisors is an integer number (4726795584).

Almost surely, 2^85072412292 is an apocalyptic number.

It is an amenable number.

85072412292 is an abundant number, since it is smaller than the sum of its proper divisors (141813775740).

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

85072412292 is a wasteful number, since it uses less digits than its factorization.

85072412292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117968 (or 117966 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 85072412292 in words is "eighty-five billion, seventy-two million, four hundred twelve thousand, two hundred ninety-two".