85667413 has 8 divisors (see below), whose sum is σ = 92332856. Its totient is φ = 79012800.

The previous prime is 85667411. The next prime is 85667423. The reversal of 85667413 is 31476658.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4072324 + 81595089 = 2018^2 + 9033^2 .

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 85667413 - 2¹ = 85667411 is a prime.

It is a super-2 number, since 2×85667413² = 14677811300225138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85667411) 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, 22423 + ... + 25963.

It is an arithmetic number, because the mean of its divisors is an integer number (11541607).

Almost surely, 2^85667413 is an apocalyptic number.

It is an amenable number.

85667413 is a deficient number, since it is larger than the sum of its proper divisors (6665443).

85667413 is a wasteful number, since it uses less digits than its factorization.

85667413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5415.

The product of its digits is 120960, while the sum is 40.

The square root of 85667413 is about 9255.6692356631. The cubic root of 85667413 is about 440.8307531467.

The spelling of 85667413 in words is "eighty-five million, six hundred sixty-seven thousand, four hundred thirteen".