2765270447 has 4 divisors (see below), whose sum is σ = 2767932960. Its totient is φ = 2762607936.

The previous prime is 2765270423. The next prime is 2765270467. The reversal of 2765270447 is 7440725672.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2765270447 - 2⁶ = 2765270383 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2765270398 and 2765270407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2765270467) 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, 1329698 + ... + 1331775.

It is an arithmetic number, because the mean of its divisors is an integer number (691983240).

Almost surely, 2^2765270447 is an apocalyptic number.

2765270447 is a deficient number, since it is larger than the sum of its proper divisors (2662513).

2765270447 is a wasteful number, since it uses less digits than its factorization.

2765270447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2662512.

The product of its (nonzero) digits is 658560, while the sum is 44.

The square root of 2765270447 is about 52585.8388446928. The cubic root of 2765270447 is about 1403.6081160412.

The spelling of 2765270447 in words is "two billion, seven hundred sixty-five million, two hundred seventy thousand, four hundred forty-seven".