85667741 has 4 divisors (see below), whose sum is σ = 86946432. Its totient is φ = 84389052.

The previous prime is 85667719. The next prime is 85667797. The reversal of 85667741 is 14776658.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85667741 - 2¹⁸ = 85405597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85667692 and 85667701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85667441) 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, 639245 + ... + 639378.

It is an arithmetic number, because the mean of its divisors is an integer number (21736608).

Almost surely, 2^85667741 is an apocalyptic number.

It is an amenable number.

85667741 is a deficient number, since it is larger than the sum of its proper divisors (1278691).

85667741 is a wasteful number, since it uses less digits than its factorization.

85667741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278690.

The product of its digits is 282240, while the sum is 44.

The square root of 85667741 is about 9255.6869545161. The cubic root of 85667741 is about 440.8313157578.

The spelling of 85667741 in words is "eighty-five million, six hundred sixty-seven thousand, seven hundred forty-one".