24787878742 has 48 divisors (see below), whose sum is σ = 41975917200. Its totient is φ = 10965944000.

The previous prime is 24787878733. The next prime is 24787878749.

24787878742 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×24787878742² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24787878749) 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 23 ways as a sum of consecutive naturals, for example, 1433484 + ... + 1450672.

It is an arithmetic number, because the mean of its divisors is an integer number (874498275).

Almost surely, 2^24787878742 is an apocalyptic number.

24787878742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

24787878742 is a deficient number, since it is larger than the sum of its proper divisors (17188038458).

24787878742 is a wasteful number, since it uses less digits than its factorization.

24787878742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17373 (or 17362 counting only the distinct ones).

The product of its digits is 78675968, while the sum is 64.

The spelling of 24787878742 in words is "twenty-four billion, seven hundred eighty-seven million, eight hundred seventy-eight thousand, seven hundred forty-two".