5625186778 has 16 divisors (see below), whose sum is σ = 9168387840. Its totient is φ = 2578608000.

The previous prime is 5625186713. The next prime is 5625186799. The reversal of 5625186778 is 8776815265.

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 7 ways as a sum of consecutive naturals, for example, 2386423 + ... + 2388778.

It is an arithmetic number, because the mean of its divisors is an integer number (573024240).

Almost surely, 2^5625186778 is an apocalyptic number.

5625186778 is a deficient number, since it is larger than the sum of its proper divisors (3543201062).

5625186778 is a wasteful number, since it uses less digits than its factorization.

5625186778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4775253.

The product of its digits is 5644800, while the sum is 55.

The square root of 5625186778 is about 75001.2451763302. The cubic root of 5625186778 is about 1778.4663364544.

The spelling of 5625186778 in words is "five billion, six hundred twenty-five million, one hundred eighty-six thousand, seven hundred seventy-eight".