4778248860 has 576 divisors, whose sum is σ = 19333816320. Its totient is φ = 958003200.

The previous prime is 4778248859. The next prime is 4778248861. The reversal of 4778248860 is 688428774.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4778248859) and next prime (4778248861).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 4778248797 and 4778248806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4778248861) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 14178612 + ... + 14178948.

Almost surely, 2^4778248860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4778248860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9666908160).

4778248860 is an abundant number, since it is smaller than the sum of its proper divisors (14555567460).

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

4778248860 is a wasteful number, since it uses less digits than its factorization.

4778248860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 4816896, while the sum is 54.

The square root of 4778248860 is about 69124.8787340708. The cubic root of 4778248860 is about 1684.3134690837.

It can be divided in two parts, 477824 and 8860, that added together give a palindrome (486684).

The spelling of 4778248860 in words is "four billion, seven hundred seventy-eight million, two hundred forty-eight thousand, eight hundred sixty".