5578761867 has 24 divisors (see below), whose sum is σ = 8836886016. Its totient is φ = 3120033168.

The previous prime is 5578761857. The next prime is 5578761887. The reversal of 5578761867 is 7681678755.

It is not a de Polignac number, because 5578761867 - 2⁸ = 5578761611 is a prime.

It is a super-2 number, since 2×5578761867² = 62245167937386651378, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5578761867.

It is not an unprimeable number, because it can be changed into a prime (5578761847) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 396823 + ... + 410640.

It is an arithmetic number, because the mean of its divisors is an integer number (368203584).

Almost surely, 2^5578761867 is an apocalyptic number.

5578761867 is a deficient number, since it is larger than the sum of its proper divisors (3258124149).

5578761867 is a wasteful number, since it uses less digits than its factorization.

5578761867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807527 (or 807520 counting only the distinct ones).

The product of its digits is 19756800, while the sum is 60.

The square root of 5578761867 is about 74691.1096918502. The cubic root of 5578761867 is about 1773.5602281625.

The spelling of 5578761867 in words is "five billion, five hundred seventy-eight million, seven hundred sixty-one thousand, eight hundred sixty-seven".