7974240255 has 12 divisors (see below), whose sum is σ = 13822016520. Its totient is φ = 4252928112.

The previous prime is 7974240233. The next prime is 7974240257. The reversal of 7974240255 is 5520424797.

7974240255 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7974240255 - 2¹² = 7974236159 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 177205339 = 7974240255 / (7 + 9 + 7 + 4 + 2 + 4 + 0 + 2 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 7974240255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7974240257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88602625 + ... + 88602714.

It is an arithmetic number, because the mean of its divisors is an integer number (1151834710).

Almost surely, 2^7974240255 is an apocalyptic number.

7974240255 is a deficient number, since it is larger than the sum of its proper divisors (5847776265).

7974240255 is a wasteful number, since it uses less digits than its factorization.

7974240255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177205350 (or 177205347 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The square root of 7974240255 is about 89298.6016407872. The cubic root of 7974240255 is about 1997.8510464096.

The spelling of 7974240255 in words is "seven billion, nine hundred seventy-four million, two hundred forty thousand, two hundred fifty-five".