5291878407 has 4 divisors (see below), whose sum is σ = 7055837880. Its totient is φ = 3527918936.

The previous prime is 5291878373. The next prime is 5291878453. The reversal of 5291878407 is 7048781925.

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 5291878407 - 2²⁴ = 5275101191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5291878407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5291871407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 881979732 + ... + 881979737.

It is an arithmetic number, because the mean of its divisors is an integer number (1763959470).

Almost surely, 2^5291878407 is an apocalyptic number.

5291878407 is a deficient number, since it is larger than the sum of its proper divisors (1763959473).

5291878407 is a wasteful number, since it uses less digits than its factorization.

5291878407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763959472.

The product of its (nonzero) digits is 1128960, while the sum is 51.

The square root of 5291878407 is about 72745.2981779579. The cubic root of 5291878407 is about 1742.6223732608.

The spelling of 5291878407 in words is "five billion, two hundred ninety-one million, eight hundred seventy-eight thousand, four hundred seven".