2775026091 has 16 divisors (see below), whose sum is σ = 3769178400. Its totient is φ = 1815582720.

The previous prime is 2775026077. The next prime is 2775026173. The reversal of 2775026091 is 1906205772.

It is not a de Polignac number, because 2775026091 - 2⁹ = 2775025579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2775026041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65281 + ... + 99053.

It is an arithmetic number, because the mean of its divisors is an integer number (235573650).

Almost surely, 2^2775026091 is an apocalyptic number.

2775026091 is a deficient number, since it is larger than the sum of its proper divisors (994152309).

2775026091 is a wasteful number, since it uses less digits than its factorization.

2775026091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34286.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 2775026091 is about 52678.5164084943. The cubic root of 2775026091 is about 1405.2567829784.

The spelling of 2775026091 in words is "two billion, seven hundred seventy-five million, twenty-six thousand, ninety-one".