2261577867 has 8 divisors (see below), whose sum is σ = 3064870800. Its totient is φ = 1483001760.

The previous prime is 2261577859. The next prime is 2261577953. The reversal of 2261577867 is 7687751622.

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

It is not a de Polignac number, because 2261577867 - 2³ = 2261577859 is a prime.

It is a super-2 number, since 2×2261577867² = 10229468897008539378, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2261577817) 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, 6178992 + ... + 6179357.

It is an arithmetic number, because the mean of its divisors is an integer number (383108850).

Almost surely, 2^2261577867 is an apocalyptic number.

2261577867 is a deficient number, since it is larger than the sum of its proper divisors (803292933).

2261577867 is a wasteful number, since it uses less digits than its factorization.

2261577867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12358413.

The product of its digits is 1975680, while the sum is 51.

The square root of 2261577867 is about 47556.0497413315. The cubic root of 2261577867 is about 1312.6144525680.

The spelling of 2261577867 in words is "two billion, two hundred sixty-one million, five hundred seventy-seven thousand, eight hundred sixty-seven".