2665677247 has 16 divisors (see below), whose sum is σ = 2799097632. Its totient is φ = 2535995520.

The previous prime is 2665677233. The next prime is 2665677269. The reversal of 2665677247 is 7427765662.

It is a cyclic number.

It is not a de Polignac number, because 2665677247 - 2²³ = 2657288639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2665677194 and 2665677203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665677227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387048 + ... + 393874.

It is an arithmetic number, because the mean of its divisors is an integer number (174943602).

Almost surely, 2^2665677247 is an apocalyptic number.

2665677247 is a deficient number, since it is larger than the sum of its proper divisors (133420385).

2665677247 is a wasteful number, since it uses less digits than its factorization.

2665677247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7098.

The product of its digits is 5927040, while the sum is 52.

The square root of 2665677247 is about 51630.1970459149. The cubic root of 2665677247 is about 1386.5510211652.

The spelling of 2665677247 in words is "two billion, six hundred sixty-five million, six hundred seventy-seven thousand, two hundred forty-seven".