85429759 has 4 divisors (see below), whose sum is σ = 85448304. Its totient is φ = 85411216.

The previous prime is 85429723. The next prime is 85429789. The reversal of 85429759 is 95792458.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85429759 - 2¹⁷ = 85298687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85429789) 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, 3534 + ... + 13540.

It is an arithmetic number, because the mean of its divisors is an integer number (21362076).

Almost surely, 2^85429759 is an apocalyptic number.

85429759 is a deficient number, since it is larger than the sum of its proper divisors (18545).

85429759 is a wasteful number, since it uses less digits than its factorization.

85429759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18544.

The product of its digits is 907200, while the sum is 49.

The square root of 85429759 is about 9242.8220257668. The cubic root of 85429759 is about 440.4227325014.

The spelling of 85429759 in words is "eighty-five million, four hundred twenty-nine thousand, seven hundred fifty-nine".