85783306620 has 192 divisors, whose sum is σ = 281585880576. Its totient is φ = 19280363520.

The previous prime is 85783306619. The next prime is 85783306621. The reversal of 85783306620 is 2660338758.

It is an interprime number because it is at equal distance from previous prime (85783306619) and next prime (85783306621).

It is a self number, because there is not a number n which added to its sum of digits gives 85783306620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85783306621) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 694684 + ... + 808796.

It is an arithmetic number, because the mean of its divisors is an integer number (1466593128).

Almost surely, 2^85783306620 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 85783306620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140792940288).

85783306620 is an abundant number, since it is smaller than the sum of its proper divisors (195802573956).

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

85783306620 is a wasteful number, since it uses less digits than its factorization.

85783306620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114220 (or 114218 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 85783306620 in words is "eighty-five billion, seven hundred eighty-three million, three hundred six thousand, six hundred twenty".