2265739678 has 8 divisors (see below), whose sum is σ = 3408238368. Its totient is φ = 1129660224.

The previous prime is 2265739667. The next prime is 2265739681. The reversal of 2265739678 is 8769375622.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1603926 + ... + 1605337.

It is an arithmetic number, because the mean of its divisors is an integer number (426029796).

Almost surely, 2^2265739678 is an apocalyptic number.

2265739678 is a deficient number, since it is larger than the sum of its proper divisors (1142498690).

2265739678 is a wasteful number, since it uses less digits than its factorization.

2265739678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3209618.

The product of its digits is 7620480, while the sum is 55.

The square root of 2265739678 is about 47599.7865331348. The cubic root of 2265739678 is about 1313.4191276004.

The spelling of 2265739678 in words is "two billion, two hundred sixty-five million, seven hundred thirty-nine thousand, six hundred seventy-eight".