85178182980 has 192 divisors, whose sum is σ = 273988915200. Its totient is φ = 19569876480.

The previous prime is 85178182963. The next prime is 85178182993. The reversal of 85178182980 is 8928187158.

It is a self number, because there is not a number n which added to its sum of digits gives 85178182980.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1628881 + ... + 1680359.

It is an arithmetic number, because the mean of its divisors is an integer number (1427025600).

Almost surely, 2^85178182980 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 85178182980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136994457600).

85178182980 is an abundant number, since it is smaller than the sum of its proper divisors (188810732220).

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

85178182980 is a wasteful number, since it uses less digits than its factorization.

85178182980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51634 (or 51632 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 57.

The spelling of 85178182980 in words is "eighty-five billion, one hundred seventy-eight million, one hundred eighty-two thousand, nine hundred eighty".