4887670261 has 4 divisors (see below), whose sum is σ = 4895913132. Its totient is φ = 4879427392.

The previous prime is 4887670259. The next prime is 4887670267. The reversal of 4887670261 is 1620767884.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1817402161 + 3070268100 = 42631^2 + 55410^2 .

It is a cyclic number.

It is not a de Polignac number, because 4887670261 - 2¹ = 4887670259 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4887670267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4120546 + ... + 4121731.

It is an arithmetic number, because the mean of its divisors is an integer number (1223978283).

Almost surely, 2^4887670261 is an apocalyptic number.

It is an amenable number.

4887670261 is a deficient number, since it is larger than the sum of its proper divisors (8242871).

4887670261 is an equidigital number, since it uses as much as digits as its factorization.

4887670261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8242870.

The product of its (nonzero) digits is 903168, while the sum is 49.

The square root of 4887670261 is about 69911.8749641289. The cubic root of 4887670261 is about 1697.0734262298.

The spelling of 4887670261 in words is "four billion, eight hundred eighty-seven million, six hundred seventy thousand, two hundred sixty-one".