85787922 has 16 divisors (see below), whose sum is σ = 187173792. Its totient is φ = 25996320.

The previous prime is 85787909. The next prime is 85787929. The reversal of 85787922 is 22978758.

It is a super-2 number, since 2×85787922² = 14719135122156168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85787929) 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, 649843 + ... + 649974.

It is an arithmetic number, because the mean of its divisors is an integer number (11698362).

Almost surely, 2^85787922 is an apocalyptic number.

85787922 is an abundant number, since it is smaller than the sum of its proper divisors (101385870).

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

85787922 is a wasteful number, since it uses less digits than its factorization.

85787922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299833.

The product of its digits is 564480, while the sum is 48.

The square root of 85787922 is about 9262.1769579295. The cubic root of 85787922 is about 441.0373629524.

The spelling of 85787922 in words is "eighty-five million, seven hundred eighty-seven thousand, nine hundred twenty-two".