4756823778 has 64 divisors (see below), whose sum is σ = 11073300480. Its totient is φ = 1334188800.

The previous prime is 4756823767. The next prime is 4756823789. The reversal of 4756823778 is 8773286574.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4756823767) and next prime (4756823789).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 715353 + ... + 721971.

It is an arithmetic number, because the mean of its divisors is an integer number (173020320).

Almost surely, 2^4756823778 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4756823778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5536650240).

4756823778 is an abundant number, since it is smaller than the sum of its proper divisors (6316476702).

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

4756823778 is a wasteful number, since it uses less digits than its factorization.

4756823778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6943.

The product of its digits is 15805440, while the sum is 57.

The square root of 4756823778 is about 68969.7308824676. The cubic root of 4756823778 is about 1681.7922787270.

The spelling of 4756823778 in words is "four billion, seven hundred fifty-six million, eight hundred twenty-three thousand, seven hundred seventy-eight".