2554687947 has 16 divisors (see below), whose sum is σ = 4062113280. Its totient is φ = 1396350912.

The previous prime is 2554687939. The next prime is 2554687963. The reversal of 2554687947 is 7497864552.

It is a happy number.

It is not a de Polignac number, because 2554687947 - 2³ = 2554687939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2554687907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2644122 + ... + 2645087.

It is an arithmetic number, because the mean of its divisors is an integer number (253882080).

Almost surely, 2^2554687947 is an apocalyptic number.

2554687947 is a deficient number, since it is larger than the sum of its proper divisors (1507425333).

2554687947 is a wasteful number, since it uses less digits than its factorization.

2554687947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5289242.

The product of its digits is 16934400, while the sum is 57.

The square root of 2554687947 is about 50543.9209697863. The cubic root of 2554687947 is about 1367.0339059960.

The spelling of 2554687947 in words is "two billion, five hundred fifty-four million, six hundred eighty-seven thousand, nine hundred forty-seven".