85888829 has 4 divisors (see below), whose sum is σ = 92495676. Its totient is φ = 79281984.

The previous prime is 85888823. The next prime is 85888849. The reversal of 85888829 is 92888858.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3496900 + 82391929 = 1870^2 + 9077^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85888829 is a prime.

It is a super-3 number, since 3×85888829³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85888823) 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, 3303404 + ... + 3303429.

It is an arithmetic number, because the mean of its divisors is an integer number (23123919).

Almost surely, 2^85888829 is an apocalyptic number.

It is an amenable number.

85888829 is a deficient number, since it is larger than the sum of its proper divisors (6606847).

85888829 is a wasteful number, since it uses less digits than its factorization.

85888829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6606846.

The product of its digits is 2949120, while the sum is 56.

The square root of 85888829 is about 9267.6226185576. The cubic root of 85888829 is about 441.2102168093.

The spelling of 85888829 in words is "eighty-five million, eight hundred eighty-eight thousand, eight hundred twenty-nine".