85826447 has 4 divisors (see below), whose sum is σ = 98087376. Its totient is φ = 73565520.

The previous prime is 85826443. The next prime is 85826449. The reversal of 85826447 is 74462858.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74462858 = 2 ⋅37231429.

It is not a de Polignac number, because 85826447 - 2² = 85826443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85826398 and 85826407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85826443) 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, 6130454 + ... + 6130467.

It is an arithmetic number, because the mean of its divisors is an integer number (24521844).

Almost surely, 2^85826447 is an apocalyptic number.

85826447 is a deficient number, since it is larger than the sum of its proper divisors (12260929).

85826447 is a wasteful number, since it uses less digits than its factorization.

85826447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12260928.

The product of its digits is 430080, while the sum is 44.

The square root of 85826447 is about 9264.2564191628. The cubic root of 85826447 is about 441.1033723286.

The spelling of 85826447 in words is "eighty-five million, eight hundred twenty-six thousand, four hundred forty-seven".