2499782677 has 12 divisors (see below), whose sum is σ = 2910035136. Its totient is φ = 2141105400.

The previous prime is 2499782647. The next prime is 2499782689. The reversal of 2499782677 is 7762879942.

It is a de Polignac number, because none of the positive numbers 2^k-2499782677 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 (2499782647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51802 + ... + 87652.

It is an arithmetic number, because the mean of its divisors is an integer number (242502928).

Almost surely, 2^2499782677 is an apocalyptic number.

It is an amenable number.

2499782677 is a deficient number, since it is larger than the sum of its proper divisors (410252459).

2499782677 is a wasteful number, since it uses less digits than its factorization.

2499782677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37288 (or 37281 counting only the distinct ones).

The product of its digits is 21337344, while the sum is 61.

The square root of 2499782677 is about 49997.8267227687. The cubic root of 2499782677 is about 1357.1694801325.

The spelling of 2499782677 in words is "two billion, four hundred ninety-nine million, seven hundred eighty-two thousand, six hundred seventy-seven".