85791768 has 16 divisors (see below), whose sum is σ = 214479480. Its totient is φ = 28597248.

The previous prime is 85791757. The next prime is 85791791. The reversal of 85791768 is 86719758.

It is a self number, because there is not a number n which added to its sum of digits gives 85791768.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1787305 + ... + 1787352.

Almost surely, 2^85791768 is an apocalyptic number.

It is an amenable number.

85791768 is an abundant number, since it is smaller than the sum of its proper divisors (128687712).

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

85791768 is a wasteful number, since it uses less digits than its factorization.

85791768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3574666 (or 3574662 counting only the distinct ones).

The product of its digits is 846720, while the sum is 51.

The square root of 85791768 is about 9262.3845741796. The cubic root of 85791768 is about 441.0439536407.

The spelling of 85791768 in words is "eighty-five million, seven hundred ninety-one thousand, seven hundred sixty-eight".