85428183190 has 24 divisors (see below), whose sum is σ = 178876156032. Its totient is φ = 29289662640.

The previous prime is 85428183187. The next prime is 85428183271. The reversal of 85428183190 is 9138182458.

It is a happy number.

It is a super-2 number, since 2×85428183190² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87171126 + ... + 87172105.

It is an arithmetic number, because the mean of its divisors is an integer number (7453173168).

Almost surely, 2^85428183190 is an apocalyptic number.

85428183190 is an abundant number, since it is smaller than the sum of its proper divisors (93447972842).

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

85428183190 is a wasteful number, since it uses less digits than its factorization.

85428183190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174343252 (or 174343245 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 49.

The spelling of 85428183190 in words is "eighty-five billion, four hundred twenty-eight million, one hundred eighty-three thousand, one hundred ninety".