85873447 has 8 divisors (see below), whose sum is σ = 93768192. Its totient is φ = 77993400.

The previous prime is 85873439. The next prime is 85873457. The reversal of 85873447 is 74437858.

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

It is a cyclic number.

It is not a de Polignac number, because 85873447 - 2³ = 85873439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85873397 and 85873406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85873427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11178 + ... + 17224.

It is an arithmetic number, because the mean of its divisors is an integer number (11721024).

Almost surely, 2^85873447 is an apocalyptic number.

85873447 is a deficient number, since it is larger than the sum of its proper divisors (7894745).

85873447 is a wasteful number, since it uses less digits than its factorization.

85873447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7349.

The product of its digits is 752640, while the sum is 46.

The square root of 85873447 is about 9266.7927029798. The cubic root of 85873447 is about 441.1838761671.

It can be divided in two parts, 85873 and 447, that added together give a triangular number (86320 = T₄₁₅).

The spelling of 85873447 in words is "eighty-five million, eight hundred seventy-three thousand, four hundred forty-seven".