2088891385 has 32 divisors (see below), whose sum is σ = 2927612160. Its totient is φ = 1401124608.

The previous prime is 2088891379. The next prime is 2088891391. The reversal of 2088891385 is 5831988802.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2088891379) and next prime (2088891391).

It is a cyclic number.

It is not a de Polignac number, because 2088891385 - 2¹³ = 2088883193 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 690406 + ... + 693424.

It is an arithmetic number, because the mean of its divisors is an integer number (91487880).

Almost surely, 2^2088891385 is an apocalyptic number.

It is an amenable number.

2088891385 is a deficient number, since it is larger than the sum of its proper divisors (838720775).

2088891385 is a wasteful number, since it uses less digits than its factorization.

2088891385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3457.

The product of its (nonzero) digits is 1105920, while the sum is 52.

The square root of 2088891385 is about 45704.3913098074. The cubic root of 2088891385 is about 1278.3171620896.

The spelling of 2088891385 in words is "two billion, eighty-eight million, eight hundred ninety-one thousand, three hundred eighty-five".