85717426 has 8 divisors (see below), whose sum is σ = 129346560. Its totient is φ = 42601908.

The previous prime is 85717421. The next prime is 85717427. The reversal of 85717426 is 62471758.

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

It is not an unprimeable number, because it can be changed into a prime (85717421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127986 + ... + 128653.

It is an arithmetic number, because the mean of its divisors is an integer number (16168320).

Almost surely, 2^85717426 is an apocalyptic number.

85717426 is a deficient number, since it is larger than the sum of its proper divisors (43629134).

85717426 is a wasteful number, since it uses less digits than its factorization.

85717426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256808.

The product of its digits is 94080, while the sum is 40.

The square root of 85717426 is about 9258.3705909841. The cubic root of 85717426 is about 440.9165227474.

The spelling of 85717426 in words is "eighty-five million, seven hundred seventeen thousand, four hundred twenty-six".