2874787257 has 8 divisors (see below), whose sum is σ = 3905371584. Its totient is φ = 1880363888.

The previous prime is 2874787249. The next prime is 2874787259. The reversal of 2874787257 is 7527874782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2874787257 - 2³ = 2874787249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2874787197 and 2874787206.

It is not an unprimeable number, because it can be changed into a prime (2874787259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9040053 + ... + 9040370.

It is an arithmetic number, because the mean of its divisors is an integer number (488171448).

Almost surely, 2^2874787257 is an apocalyptic number.

It is an amenable number.

2874787257 is a deficient number, since it is larger than the sum of its proper divisors (1030584327).

2874787257 is a wasteful number, since it uses less digits than its factorization.

2874787257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18080479.

The product of its digits is 12293120, while the sum is 57.

The square root of 2874787257 is about 53617.0425984127. The cubic root of 2874787257 is about 1421.8984158553.

The spelling of 2874787257 in words is "two billion, eight hundred seventy-four million, seven hundred eighty-seven thousand, two hundred fifty-seven".