85283891 has 8 divisors (see below), whose sum is σ = 106328064. Its totient is φ = 66454920.

The previous prime is 85283873. The next prime is 85283899. The reversal of 85283891 is 19838258.

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

It is a de Polignac number, because none of the positive numbers 2^k-85283891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85283899) 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, 553715 + ... + 553868.

It is an arithmetic number, because the mean of its divisors is an integer number (13291008).

Almost surely, 2^85283891 is an apocalyptic number.

85283891 is a deficient number, since it is larger than the sum of its proper divisors (21044173).

85283891 is a wasteful number, since it uses less digits than its factorization.

85283891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107601.

The product of its digits is 138240, while the sum is 44.

The square root of 85283891 is about 9234.9277744875. The cubic root of 85283891 is about 440.1719214526.

The spelling of 85283891 in words is "eighty-five million, two hundred eighty-three thousand, eight hundred ninety-one".