85621412682 has 72 divisors (see below), whose sum is σ = 200957593824. Its totient is φ = 26335007712.

The previous prime is 85621412677. The next prime is 85621412731. The reversal of 85621412682 is 28621412658.

85621412682 is a `hidden beast` number, since 8 + 5 + 621 + 4 + 12 + 6 + 8 + 2 = 666.

It is a super-2 number, since 2×85621412682² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13889733 + ... + 13895895.

It is an arithmetic number, because the mean of its divisors is an integer number (2791077692).

Almost surely, 2^85621412682 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85621412682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100478796912).

85621412682 is an abundant number, since it is smaller than the sum of its proper divisors (115336181142).

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

85621412682 is a wasteful number, since it uses less digits than its factorization.

85621412682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10764 (or 10748 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The spelling of 85621412682 in words is "eighty-five billion, six hundred twenty-one million, four hundred twelve thousand, six hundred eighty-two".