2261527879 has 8 divisors (see below), whose sum is σ = 2476771920. Its totient is φ = 2052181056.

The previous prime is 2261527871. The next prime is 2261527907. The reversal of 2261527879 is 9787251622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2261527879 - 2³ = 2261527871 is a prime.

It is a super-2 number, since 2×2261527879² = 10229016694988477282, which 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 (2261527871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1473502 + ... + 1475035.

It is an arithmetic number, because the mean of its divisors is an integer number (309596490).

Almost surely, 2^2261527879 is an apocalyptic number.

2261527879 is a deficient number, since it is larger than the sum of its proper divisors (215244041).

2261527879 is a wasteful number, since it uses less digits than its factorization.

2261527879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2948609.

The product of its digits is 846720, while the sum is 49.

The square root of 2261527879 is about 47555.5241691226. The cubic root of 2261527879 is about 1312.6047815243.

The spelling of 2261527879 in words is "two billion, two hundred sixty-one million, five hundred twenty-seven thousand, eight hundred seventy-nine".