85428183192 has 128 divisors (see below), whose sum is σ = 251877254400. Its totient is φ = 23861952000.

The previous prime is 85428183187. The next prime is 85428183271. The reversal of 85428183192 is 29138182458.

It is a super-2 number, since 2×85428183192² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44559 + ... + 415742.

It is an arithmetic number, because the mean of its divisors is an integer number (1967791050).

Almost surely, 2^85428183192 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 85428183192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125938627200).

85428183192 is an abundant number, since it is smaller than the sum of its proper divisors (166449071208).

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

85428183192 is a wasteful number, since it uses less digits than its factorization.

85428183192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460377 (or 460373 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 51.

The spelling of 85428183192 in words is "eighty-five billion, four hundred twenty-eight million, one hundred eighty-three thousand, one hundred ninety-two".