2877142397 has 2 divisors, whose sum is σ = 2877142398. Its totient is φ = 2877142396.

The previous prime is 2877142391. The next prime is 2877142399. The reversal of 2877142397 is 7932417782.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2502100441 + 375041956 = 50021^2 + 19366^2 .

It is a cyclic number.

It is not a de Polignac number, because 2877142397 - 2¹⁴ = 2877126013 is a prime.

It is a super-2 number, since 2×2877142397² = 16555896745229811218, which contains 22 as substring.

Together with 2877142399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2877142391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1438571198 + 1438571199.

It is an arithmetic number, because the mean of its divisors is an integer number (1438571199).

Almost surely, 2^2877142397 is an apocalyptic number.

It is an amenable number.

2877142397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2877142397 is an equidigital number, since it uses as much as digits as its factorization.

2877142397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1185408, while the sum is 50.

The square root of 2877142397 is about 53639.0007084397. Note that the first 3 decimals coincide. The cubic root of 2877142397 is about 1422.2866017707.

The spelling of 2877142397 in words is "two billion, eight hundred seventy-seven million, one hundred forty-two thousand, three hundred ninety-seven".