85048779 has 16 divisors (see below), whose sum is σ = 122148864. Its totient is φ = 52483200.

The previous prime is 85048771. The next prime is 85048781. The reversal of 85048779 is 97784058.

It is not a de Polignac number, because 85048779 - 2³ = 85048771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85048771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17742 + ... + 22019.

It is an arithmetic number, because the mean of its divisors is an integer number (7634304).

Almost surely, 2^85048779 is an apocalyptic number.

85048779 is a deficient number, since it is larger than the sum of its proper divisors (37100085).

85048779 is a wasteful number, since it uses less digits than its factorization.

85048779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39818.

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 85048779 is about 9222.1894905711. The cubic root of 85048779 is about 439.7670581731.

The spelling of 85048779 in words is "eighty-five million, forty-eight thousand, seven hundred seventy-nine".