85206973422 has 16 divisors (see below), whose sum is σ = 172748385360. Its totient is φ = 28013251392.

The previous prime is 85206973421. The next prime is 85206973427. The reversal of 85206973422 is 22437960258.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85206973421) 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, 97267797 + ... + 97268672.

It is an arithmetic number, because the mean of its divisors is an integer number (10796774085).

Almost surely, 2^85206973422 is an apocalyptic number.

85206973422 is an abundant number, since it is smaller than the sum of its proper divisors (87541411938).

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

85206973422 is a wasteful number, since it uses less digits than its factorization.

85206973422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194536547.

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

The spelling of 85206973422 in words is "eighty-five billion, two hundred six million, nine hundred seventy-three thousand, four hundred twenty-two".