2487779 has 8 divisors (see below), whose sum is σ = 2901600. Its totient is φ = 2132088.

The previous prime is 2487773. The next prime is 2487787. The reversal of 2487779 is 9777842.

It is not a de Polignac number, because 2487779 - 2⁸ = 2487523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2487773) 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, 3284 + ... + 3969.

It is an arithmetic number, because the mean of its divisors is an integer number (362700).

2^2487779 is an apocalyptic number.

2487779 is a deficient number, since it is larger than the sum of its proper divisors (413821).

2487779 is an frugal number, since it uses more digits than its factorization.

2487779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7274 (or 7260 counting only the distinct ones).

The product of its digits is 197568, while the sum is 44.

The square root of 2487779 is about 1577.2694760249. The cubic root of 2487779 is about 135.4993668357.

The spelling of 2487779 in words is "two million, four hundred eighty-seven thousand, seven hundred seventy-nine".