85699329 has 32 divisors (see below), whose sum is σ = 129600000. Its totient is φ = 50045184.

The previous prime is 85699319. The next prime is 85699349. The reversal of 85699329 is 92399658.

It is not a de Polignac number, because 85699329 - 2⁸ = 85699073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (85699309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56422 + ... + 57920.

It is an arithmetic number, because the mean of its divisors is an integer number (4050000).

Almost surely, 2^85699329 is an apocalyptic number.

It is an amenable number.

85699329 is a deficient number, since it is larger than the sum of its proper divisors (43900671).

85699329 is a wasteful number, since it uses less digits than its factorization.

85699329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597.

The product of its digits is 1049760, while the sum is 51.

The square root of 85699329 is about 9257.3932075936. The cubic root of 85699329 is about 440.8854912202.

The spelling of 85699329 in words is "eighty-five million, six hundred ninety-nine thousand, three hundred twenty-nine".