2093397777 has 10 divisors (see below), whose sum is σ = 3127174578. Its totient is φ = 1395598464.

The previous prime is 2093397743. The next prime is 2093397793. The reversal of 2093397777 is 7777933902.

It can be written as a sum of positive squares in only one way, i.e., 1961515521 + 131882256 = 44289^2 + 11484^2 .

It is not a de Polignac number, because 2093397777 - 2¹⁴ = 2093381393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2093397737) 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 9 ways as a sum of consecutive naturals, for example, 12922128 + ... + 12922289.

Almost surely, 2^2093397777 is an apocalyptic number.

2093397777 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2093397777 is a deficient number, since it is larger than the sum of its proper divisors (1033776801).

2093397777 is an equidigital number, since it uses as much as digits as its factorization.

2093397777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25844429 (or 25844420 counting only the distinct ones).

The product of its (nonzero) digits is 3500658, while the sum is 54.

The square root of 2093397777 is about 45753.6640827814. The cubic root of 2093397777 is about 1279.2357451494.

The spelling of 2093397777 in words is "two billion, ninety-three million, three hundred ninety-seven thousand, seven hundred seventy-seven".