85674742692 has 96 divisors (see below), whose sum is σ = 249526738944. Its totient is φ = 22227187200.

The previous prime is 85674742691. The next prime is 85674742693. The reversal of 85674742692 is 29624747658.

It is an interprime number because it is at equal distance from previous prime (85674742691) and next prime (85674742693).

It is not an unprimeable number, because it can be changed into a prime (85674742691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 743692 + ... + 851132.

It is an arithmetic number, because the mean of its divisors is an integer number (2599236864).

Almost surely, 2^85674742692 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 85674742692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124763369472).

85674742692 is an abundant number, since it is smaller than the sum of its proper divisors (163851996252).

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

85674742692 is a wasteful number, since it uses less digits than its factorization.

85674742692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108329 (or 108327 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 60.

The spelling of 85674742692 in words is "eighty-five billion, six hundred seventy-four million, seven hundred forty-two thousand, six hundred ninety-two".