2774996871897 has 4 divisors (see below), whose sum is σ = 3699995829200. Its totient is φ = 1849997914596.

The previous prime is 2774996871877. The next prime is 2774996871923. The reversal of 2774996871897 is 7981786994772.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2774996871897 - 2¹² = 2774996867801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2774996871877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462499478647 + ... + 462499478652.

It is an arithmetic number, because the mean of its divisors is an integer number (924998957300).

Almost surely, 2^{2774996871897} is an apocalyptic number.

It is an amenable number.

2774996871897 is a deficient number, since it is larger than the sum of its proper divisors (924998957303).

2774996871897 is an equidigital number, since it uses as much as digits as its factorization.

2774996871897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924998957302.

The product of its digits is 5377010688, while the sum is 84.

The spelling of 2774996871897 in words is "two trillion, seven hundred seventy-four billion, nine hundred ninety-six million, eight hundred seventy-one thousand, eight hundred ninety-seven".