85178430 has 48 divisors (see below), whose sum is σ = 231098400. Its totient is φ = 21726144.

The previous prime is 85178417. The next prime is 85178441. The reversal of 85178430 is 3487158.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18505 + ... + 22644.

It is an arithmetic number, because the mean of its divisors is an integer number (4814550).

Almost surely, 2^85178430 is an apocalyptic number.

85178430 is an abundant number, since it is smaller than the sum of its proper divisors (145919970).

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

85178430 is a wasteful number, since it uses less digits than its factorization.

85178430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41185 (or 41182 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 85178430 is about 9229.2161097246. The cubic root of 85178430 is about 439.9904095706.

The spelling of 85178430 in words is "eighty-five million, one hundred seventy-eight thousand, four hundred thirty".