2279547775 has 12 divisors (see below), whose sum is σ = 2831269432. Its totient is φ = 1820651040.

The previous prime is 2279547749. The next prime is 2279547791. The reversal of 2279547775 is 5777459722.

It is not a de Polignac number, because 2279547775 - 2¹¹ = 2279545727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59049 + ... + 89698.

Almost surely, 2^2279547775 is an apocalyptic number.

2279547775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2279547775 is a deficient number, since it is larger than the sum of its proper divisors (551721657).

2279547775 is a wasteful number, since it uses less digits than its factorization.

2279547775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149370 (or 149365 counting only the distinct ones).

The product of its digits is 8643600, while the sum is 55.

The square root of 2279547775 is about 47744.6099052029. The cubic root of 2279547775 is about 1316.0818490973.

The spelling of 2279547775 in words is "two billion, two hundred seventy-nine million, five hundred forty-seven thousand, seven hundred seventy-five".