2500247977 has 4 divisors (see below), whose sum is σ = 2504042640. Its totient is φ = 2496453316.

The previous prime is 2500247941. The next prime is 2500247999. The reversal of 2500247977 is 7797420052.

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 2500247977 - 2¹⁹ = 2499723689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2500247377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1896343 + ... + 1897660.

It is an arithmetic number, because the mean of its divisors is an integer number (626010660).

Almost surely, 2^2500247977 is an apocalyptic number.

It is an amenable number.

2500247977 is a deficient number, since it is larger than the sum of its proper divisors (3794663).

2500247977 is an equidigital number, since it uses as much as digits as its factorization.

2500247977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3794662.

The product of its (nonzero) digits is 246960, while the sum is 43.

The square root of 2500247977 is about 50002.4797085105. The cubic root of 2500247977 is about 1357.2536810230.

The spelling of 2500247977 in words is "two billion, five hundred million, two hundred forty-seven thousand, nine hundred seventy-seven".