85781926 has 16 divisors (see below), whose sum is σ = 130346208. Its totient is φ = 42336000.

The previous prime is 85781923. The next prime is 85781939. The reversal of 85781926 is 62918758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85781923) 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, 127126 + ... + 127798.

It is an arithmetic number, because the mean of its divisors is an integer number (8146638).

Almost surely, 2^85781926 is an apocalyptic number.

85781926 is a deficient number, since it is larger than the sum of its proper divisors (44564282).

85781926 is a wasteful number, since it uses less digits than its factorization.

85781926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407.

The product of its digits is 241920, while the sum is 46.

The square root of 85781926 is about 9261.8532702694. The cubic root of 85781926 is about 441.0270875291.

The spelling of 85781926 in words is "eighty-five million, seven hundred eighty-one thousand, nine hundred twenty-six".