5038778778 has 16 divisors (see below), whose sum is σ = 10993699296. Its totient is φ = 1526902640.

The previous prime is 5038778761. The next prime is 5038778783. The reversal of 5038778778 is 8778778305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38172501 + ... + 38172632.

It is an arithmetic number, because the mean of its divisors is an integer number (687106206).

Almost surely, 2^5038778778 is an apocalyptic number.

5038778778 is an abundant number, since it is smaller than the sum of its proper divisors (5954920518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5038778778 is a wasteful number, since it uses less digits than its factorization.

5038778778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76345149.

The product of its (nonzero) digits is 18439680, while the sum is 60.

The square root of 5038778778 is about 70984.3558680362. The cubic root of 5038778778 is about 1714.3852855042.

The spelling of 5038778778 in words is "five billion, thirty-eight million, seven hundred seventy-eight thousand, seven hundred seventy-eight".