47873057261 has 4 divisors (see below), whose sum is σ = 47877294300. Its totient is φ = 47868820224.

The previous prime is 47873057203. The next prime is 47873057269. The reversal of 47873057261 is 16275037874.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16275037874 = 2 ⋅8137518937.

It can be written as a sum of positive squares in 2 ways, for example, as 17772889225 + 30100168036 = 133315^2 + 173494^2 .

It is a cyclic number.

It is not a de Polignac number, because 47873057261 - 2¹⁰ = 47873056237 is a prime.

It is a super-2 number, since 2×47873057261² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47873057269) 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, 2101526 + ... + 2124183.

It is an arithmetic number, because the mean of its divisors is an integer number (11969323575).

Almost surely, 2^47873057261 is an apocalyptic number.

It is an amenable number.

47873057261 is a deficient number, since it is larger than the sum of its proper divisors (4237039).

47873057261 is a wasteful number, since it uses less digits than its factorization.

47873057261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4237038.

The product of its (nonzero) digits is 1975680, while the sum is 50.

The spelling of 47873057261 in words is "forty-seven billion, eight hundred seventy-three million, fifty-seven thousand, two hundred sixty-one".