2877142321 has 3 divisors (see below), whose sum is σ = 2877195961. Its totient is φ = 2877088682.

The previous prime is 2877142319. The next prime is 2877142391. The reversal of 2877142321 is 1232417782.

The square root of 2877142321 is 53639.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1232417782 = 2 ⋅616208891.

It is not a de Polignac number, because 2877142321 - 2¹ = 2877142319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2877142391) by changing a digit.

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 2 ways as a sum of consecutive naturals, for example, 26820 + ... + 80458.

Almost surely, 2^2877142321 is an apocalyptic number.

2877142321 is the 53639-th square number.

2877142321 is the 26820-th centered octagonal number.

It is an amenable number.

2877142321 is a deficient number, since it is larger than the sum of its proper divisors (53640).

2877142321 is an frugal number, since it uses more digits than its factorization.

2877142321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107278 (or 53639 counting only the distinct ones).

The product of its digits is 37632, while the sum is 37.

The cubic root of 2877142321 is about 1422.2865892474.

The spelling of 2877142321 in words is "two billion, eight hundred seventy-seven million, one hundred forty-two thousand, three hundred twenty-one".