5605678067 has 4 divisors (see below), whose sum is σ = 6115285176. Its totient is φ = 5096070960.

The previous prime is 5605678061. The next prime is 5605678097. The reversal of 5605678067 is 7608765065.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5605678067 - 2⁶ = 5605678003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5605678061) 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, 254803538 + ... + 254803559.

It is an arithmetic number, because the mean of its divisors is an integer number (1528821294).

Almost surely, 2^5605678067 is an apocalyptic number.

5605678067 is a deficient number, since it is larger than the sum of its proper divisors (509607109).

5605678067 is a wasteful number, since it uses less digits than its factorization.

5605678067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509607108.

The product of its (nonzero) digits is 2116800, while the sum is 50.

The square root of 5605678067 is about 74871.0763045383. The cubic root of 5605678067 is about 1776.4079886539.

The spelling of 5605678067 in words is "five billion, six hundred five million, six hundred seventy-eight thousand, sixty-seven".