2487772417 has 4 divisors (see below), whose sum is σ = 2679139540. Its totient is φ = 2296405296.

The previous prime is 2487772403. The next prime is 2487772421. The reversal of 2487772417 is 7142777842.

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 181467841 + 2306304576 = 13471^2 + 48024^2 .

It is a cyclic number.

It is not a de Polignac number, because 2487772417 - 2³¹ = 340288769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2487772477) 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, 95683542 + ... + 95683567.

It is an arithmetic number, because the mean of its divisors is an integer number (669784885).

Almost surely, 2^2487772417 is an apocalyptic number.

It is an amenable number.

2487772417 is a deficient number, since it is larger than the sum of its proper divisors (191367123).

2487772417 is a wasteful number, since it uses less digits than its factorization.

2487772417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191367122.

The product of its digits is 1229312, while the sum is 49.

The square root of 2487772417 is about 49877.5742894540. The cubic root of 2487772417 is about 1354.9924731907.

The spelling of 2487772417 in words is "two billion, four hundred eighty-seven million, seven hundred seventy-two thousand, four hundred seventeen".