85048819 has 4 divisors (see below), whose sum is σ = 85476400. Its totient is φ = 84621240.

The previous prime is 85048813. The next prime is 85048837. The reversal of 85048819 is 91884058.

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 85048819 - 2⁹ = 85048307 is a prime.

It is a super-2 number, since 2×85048819² = 14466603226589522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85048813) 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, 213492 + ... + 213889.

It is an arithmetic number, because the mean of its divisors is an integer number (21369100).

Almost surely, 2^85048819 is an apocalyptic number.

85048819 is a deficient number, since it is larger than the sum of its proper divisors (427581).

85048819 is a wasteful number, since it uses less digits than its factorization.

85048819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427580.

The product of its (nonzero) digits is 92160, while the sum is 43.

The square root of 85048819 is about 9222.1916592532. The cubic root of 85048819 is about 439.7671271166.

The spelling of 85048819 in words is "eighty-five million, forty-eight thousand, eight hundred nineteen".