85421157682 has 8 divisors (see below), whose sum is σ = 146436270336. Its totient is φ = 36609067572.

The previous prime is 85421157649. The next prime is 85421157713. The reversal of 85421157682 is 28675112458.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×85421157682³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3050755618 + ... + 3050755645.

It is an arithmetic number, because the mean of its divisors is an integer number (18304533792).

Almost surely, 2^85421157682 is an apocalyptic number.

85421157682 is a deficient number, since it is larger than the sum of its proper divisors (61015112654).

85421157682 is a wasteful number, since it uses less digits than its factorization.

85421157682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6101511272.

The product of its digits is 1075200, while the sum is 49.

The spelling of 85421157682 in words is "eighty-five billion, four hundred twenty-one million, one hundred fifty-seven thousand, six hundred eighty-two".