5107645778 has 32 divisors (see below), whose sum is σ = 8208224640. Its totient is φ = 2376466560.

The previous prime is 5107645769. The next prime is 5107645787. The reversal of 5107645778 is 8775467015.

It is an interprime number because it is at equal distance from previous prime (5107645769) and next prime (5107645787).

It is a super-4 number, since 4×5107645778⁴ (a number of 40 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2764451 + ... + 2766297.

It is an arithmetic number, because the mean of its divisors is an integer number (256507020).

Almost surely, 2^5107645778 is an apocalyptic number.

5107645778 is a deficient number, since it is larger than the sum of its proper divisors (3100578862).

5107645778 is a wasteful number, since it uses less digits than its factorization.

5107645778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3122.

The product of its (nonzero) digits is 1646400, while the sum is 50.

The square root of 5107645778 is about 71467.7953906513. The cubic root of 5107645778 is about 1722.1603665551.

The spelling of 5107645778 in words is "five billion, one hundred seven million, six hundred forty-five thousand, seven hundred seventy-eight".