2887728497 has 4 divisors (see below), whose sum is σ = 2915764800. Its totient is φ = 2859692196.

The previous prime is 2887728421. The next prime is 2887728521. The reversal of 2887728497 is 7948277882.

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 a cyclic number.

It is not a de Polignac number, because 2887728497 - 2¹⁶ = 2887662961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2887721497) 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, 14017997 + ... + 14018202.

It is an arithmetic number, because the mean of its divisors is an integer number (728941200).

Almost surely, 2^2887728497 is an apocalyptic number.

It is an amenable number.

2887728497 is a deficient number, since it is larger than the sum of its proper divisors (28036303).

2887728497 is a wasteful number, since it uses less digits than its factorization.

2887728497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28036302.

The product of its digits is 25288704, while the sum is 62.

The square root of 2887728497 is about 53737.5892369578. The cubic root of 2887728497 is about 1424.0288443177.

The spelling of 2887728497 in words is "two billion, eight hundred eighty-seven million, seven hundred twenty-eight thousand, four hundred ninety-seven".