85821988373 has 8 divisors (see below), whose sum is σ = 93767370336. Its totient is φ = 77900503600.

The previous prime is 85821988337. The next prime is 85821988379. The reversal of 85821988373 is 37388912858.

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

It is a cyclic number.

It is not a de Polignac number, because 85821988373 - 2⁶ = 85821988309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85821988379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5966783 + ... + 5981148.

It is an arithmetic number, because the mean of its divisors is an integer number (11720921292).

Almost surely, 2^85821988373 is an apocalyptic number.

It is an amenable number.

85821988373 is a deficient number, since it is larger than the sum of its proper divisors (7945381963).

85821988373 is a wasteful number, since it uses less digits than its factorization.

85821988373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11948595.

The product of its digits is 23224320, while the sum is 62.

The spelling of 85821988373 in words is "eighty-five billion, eight hundred twenty-one million, nine hundred eighty-eight thousand, three hundred seventy-three".