2428784677 has 4 divisors (see below), whose sum is σ = 2649583296. Its totient is φ = 2207986060.

The previous prime is 2428784663. The next prime is 2428784689. The reversal of 2428784677 is 7764878242.

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 a de Polignac number, because none of the positive numbers 2^k-2428784677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2428784647) 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, 110399293 + ... + 110399314.

It is an arithmetic number, because the mean of its divisors is an integer number (662395824).

Almost surely, 2^2428784677 is an apocalyptic number.

It is an amenable number.

2428784677 is a deficient number, since it is larger than the sum of its proper divisors (220798619).

2428784677 is a wasteful number, since it uses less digits than its factorization.

2428784677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220798618.

The product of its digits is 8429568, while the sum is 55.

The square root of 2428784677 is about 49282.7016000544. The cubic root of 2428784677 is about 1344.1972567869.

The spelling of 2428784677 in words is "two billion, four hundred twenty-eight million, seven hundred eighty-four thousand, six hundred seventy-seven".