4778111682 has 12 divisors (see below), whose sum is σ = 10352575350. Its totient is φ = 1592703888.

The previous prime is 4778111641. The next prime is 4778111687. The reversal of 4778111682 is 2861118774.

4778111682 is a `hidden beast` number, since 477 + 8 + 11 + 168 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3735532161 + 1042579521 = 61119^2 + 32289^2 .

It is not an unprimeable number, because it can be changed into a prime (4778111687) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132725307 + ... + 132725342.

Almost surely, 2^4778111682 is an apocalyptic number.

4778111682 is an abundant number, since it is smaller than the sum of its proper divisors (5574463668).

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

4778111682 is a wasteful number, since it uses less digits than its factorization.

4778111682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265450657 (or 265450654 counting only the distinct ones).

The product of its digits is 150528, while the sum is 45.

The square root of 4778111682 is about 69123.8864792772. The cubic root of 4778111682 is about 1684.2973506987.

The spelling of 4778111682 in words is "four billion, seven hundred seventy-eight million, one hundred eleven thousand, six hundred eighty-two".