2079947775 has 24 divisors (see below), whose sum is σ = 3460770064. Its totient is φ = 1102233600.

The previous prime is 2079947761. The next prime is 2079947873. The reversal of 2079947775 is 5777499702.

It is not a de Polignac number, because 2079947775 - 2⁷ = 2079947647 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 23 ways as a sum of consecutive naturals, for example, 76546 + ... + 100095.

Almost surely, 2^2079947775 is an apocalyptic number.

2079947775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2079947775 is a deficient number, since it is larger than the sum of its proper divisors (1380822289).

2079947775 is a wasteful number, since it uses less digits than its factorization.

2079947775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176811 (or 176806 counting only the distinct ones).

The product of its (nonzero) digits is 7779240, while the sum is 57.

The square root of 2079947775 is about 45606.4444459333. Note that the first 5 decimals coincide. The cubic root of 2079947775 is about 1276.4901761477.

The spelling of 2079947775 in words is "two billion, seventy-nine million, nine hundred forty-seven thousand, seven hundred seventy-five".