85310879 has 8 divisors (see below), whose sum is σ = 91811088. Its totient is φ = 78975360.

The previous prime is 85310857. The next prime is 85310881. The reversal of 85310879 is 97801358.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85310879 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 (85310479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40097 + ... + 42170.

It is an arithmetic number, because the mean of its divisors is an integer number (11476386).

Almost surely, 2^85310879 is an apocalyptic number.

85310879 is a deficient number, since it is larger than the sum of its proper divisors (6500209).

85310879 is a wasteful number, since it uses less digits than its factorization.

85310879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82345.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 85310879 is about 9236.3888506277. The cubic root of 85310879 is about 440.2183472072.

The spelling of 85310879 in words is "eighty-five million, three hundred ten thousand, eight hundred seventy-nine".