85890782214 has 64 divisors (see below), whose sum is σ = 197533440000. Its totient is φ = 27635268960.

The previous prime is 85890782213. The next prime is 85890782239. The reversal of 85890782214 is 41228709858.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85890782213) 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, 585237 + ... + 717135.

It is an arithmetic number, because the mean of its divisors is an integer number (3086460000).

Almost surely, 2^85890782214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85890782214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98766720000).

85890782214 is an abundant number, since it is smaller than the sum of its proper divisors (111642657786).

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

85890782214 is a wasteful number, since it uses less digits than its factorization.

85890782214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132330 (or 132324 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 54.

The spelling of 85890782214 in words is "eighty-five billion, eight hundred ninety million, seven hundred eighty-two thousand, two hundred fourteen".