2788265097 has 12 divisors (see below), whose sum is σ = 4069015860. Its totient is φ = 1839679488.

The previous prime is 2788265087. The next prime is 2788265101. The reversal of 2788265097 is 7905628872.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2063794041 + 724471056 = 45429^2 + 26916^2 .

It is not a de Polignac number, because 2788265097 - 2⁶ = 2788265033 is a prime.

It is a super-2 number, since 2×2788265097² = 15548844502296838818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2788265027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1596072 + ... + 1597817.

It is an arithmetic number, because the mean of its divisors is an integer number (339084655).

Almost surely, 2^2788265097 is an apocalyptic number.

It is an amenable number.

2788265097 is a deficient number, since it is larger than the sum of its proper divisors (1280750763).

2788265097 is a wasteful number, since it uses less digits than its factorization.

2788265097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3193992 (or 3193989 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The square root of 2788265097 is about 52804.0253863283. The cubic root of 2788265097 is about 1407.4879566793.

The spelling of 2788265097 in words is "two billion, seven hundred eighty-eight million, two hundred sixty-five thousand, ninety-seven".