4877647278 has 64 divisors (see below), whose sum is σ = 11532633600. Its totient is φ = 1374480576.

The previous prime is 4877647273. The next prime is 4877647279. The reversal of 4877647278 is 8727467784.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4877647273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134001 + ... + 166467.

It is an arithmetic number, because the mean of its divisors is an integer number (180197400).

Almost surely, 2^4877647278 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4877647278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5766316800).

4877647278 is an abundant number, since it is smaller than the sum of its proper divisors (6654986322).

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

4877647278 is a wasteful number, since it uses less digits than its factorization.

4877647278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32566 (or 32552 counting only the distinct ones).

The product of its digits is 29503488, while the sum is 60.

The square root of 4877647278 is about 69840.1551974221. The cubic root of 4877647278 is about 1695.9125883419.

The spelling of 4877647278 in words is "four billion, eight hundred seventy-seven million, six hundred forty-seven thousand, two hundred seventy-eight".