4815803778 has 8 divisors (see below), whose sum is σ = 9631607568. Its totient is φ = 1605267924.

The previous prime is 4815803777. The next prime is 4815803807. The reversal of 4815803778 is 8773085184.

It is a sphenic number, since it is the product of 3 distinct primes.

4815803778 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 4815803778.

It is not an unprimeable number, because it can be changed into a prime (4815803777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401316976 + ... + 401316987.

It is an arithmetic number, because the mean of its divisors is an integer number (1203950946).

Almost surely, 2^4815803778 is an apocalyptic number.

4815803778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4815803778 is a wasteful number, since it uses less digits than its factorization.

4815803778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802633968.

The product of its (nonzero) digits is 1505280, while the sum is 51.

The square root of 4815803778 is about 69395.9925211824. The cubic root of 4815803778 is about 1688.7146112235.

The spelling of 4815803778 in words is "four billion, eight hundred fifteen million, eight hundred three thousand, seven hundred seventy-eight".