4787561862 has 60 divisors (see below), whose sum is σ = 11395956660. Its totient is φ = 1501965504.

The previous prime is 4787561861. The next prime is 4787561897. The reversal of 4787561862 is 2681657874.

4787561862 is a `hidden beast` number, since 4 + 78 + 7 + 561 + 8 + 6 + 2 = 666.

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 = 4787561799 and 4787561808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4787561861) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 4312 + ... + 97947.

It is an arithmetic number, because the mean of its divisors is an integer number (189932611).

Almost surely, 2^4787561862 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4787561862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5697978330).

4787561862 is an abundant number, since it is smaller than the sum of its proper divisors (6608394798).

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

4787561862 is a wasteful number, since it uses less digits than its factorization.

4787561862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102307 (or 102281 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 4787561862 is about 69192.2095470292. The cubic root of 4787561862 is about 1685.4070241559.

The spelling of 4787561862 in words is "four billion, seven hundred eighty-seven million, five hundred sixty-one thousand, eight hundred sixty-two".