4778047635 has 8 divisors (see below), whose sum is σ = 7644876240. Its totient is φ = 2548292064.

The previous prime is 4778047619. The next prime is 4778047661. The reversal of 4778047635 is 5367408774.

It is a happy number.

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

It is not a de Polignac number, because 4778047635 - 2⁴ = 4778047619 is a prime.

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, 159268240 + ... + 159268269.

It is an arithmetic number, because the mean of its divisors is an integer number (955609530).

Almost surely, 2^4778047635 is an apocalyptic number.

4778047635 is a deficient number, since it is larger than the sum of its proper divisors (2866828605).

4778047635 is a wasteful number, since it uses less digits than its factorization.

4778047635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318536517.

The product of its (nonzero) digits is 3951360, while the sum is 51.

The square root of 4778047635 is about 69123.4232008225. The cubic root of 4778047635 is about 1684.2898250845.

The spelling of 4778047635 in words is "four billion, seven hundred seventy-eight million, forty-seven thousand, six hundred thirty-five".