2091875577 has 16 divisors (see below), whose sum is σ = 3107469312. Its totient is φ = 1240827920.

The previous prime is 2091875561. The next prime is 2091875579. The reversal of 2091875577 is 7755781902.

It is a cyclic number.

It is not a de Polignac number, because 2091875577 - 2⁴ = 2091875561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2091875579) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 672813 + ... + 675914.

It is an arithmetic number, because the mean of its divisors is an integer number (194216832).

Almost surely, 2^2091875577 is an apocalyptic number.

It is an amenable number.

2091875577 is a deficient number, since it is larger than the sum of its proper divisors (1015593735).

2091875577 is a wasteful number, since it uses less digits than its factorization.

2091875577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348788.

The product of its (nonzero) digits is 1234800, while the sum is 51.

The square root of 2091875577 is about 45737.0263244125. The cubic root of 2091875577 is about 1278.9256074328.

The spelling of 2091875577 in words is "two billion, ninety-one million, eight hundred seventy-five thousand, five hundred seventy-seven".