5555672878 has 32 divisors (see below), whose sum is σ = 9565839360. Its totient is φ = 2370574080.

The previous prime is 5555672861. The next prime is 5555672891. The reversal of 5555672878 is 8782765555.

It is a super-2 number, since 2×5555672878² = 61731002254689605768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4512523 + ... + 4513753.

It is an arithmetic number, because the mean of its divisors is an integer number (298932480).

Almost surely, 2^5555672878 is an apocalyptic number.

5555672878 is a deficient number, since it is larger than the sum of its proper divisors (4010166482).

5555672878 is a wasteful number, since it uses less digits than its factorization.

5555672878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2392.

The product of its digits is 23520000, while the sum is 58.

The square root of 5555672878 is about 74536.3862687211. The cubic root of 5555672878 is about 1771.1100825867.

The spelling of 5555672878 in words is "five billion, five hundred fifty-five million, six hundred seventy-two thousand, eight hundred seventy-eight".