7428124287 has 24 divisors (see below), whose sum is σ = 10781348864. Its totient is φ = 4928207184.

The previous prime is 7428124247. The next prime is 7428124289. The reversal of 7428124287 is 7824218247.

7428124287 is a `hidden beast` number, since 74 + 281 + 24 + 287 = 666.

It is not a de Polignac number, because 7428124287 - 2⁷ = 7428124159 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 (7428124289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2767248 + ... + 2769930.

Almost surely, 2^7428124287 is an apocalyptic number.

7428124287 is a deficient number, since it is larger than the sum of its proper divisors (3353224577).

7428124287 is a wasteful number, since it uses less digits than its factorization.

7428124287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4059 (or 4056 counting only the distinct ones).

The product of its digits is 401408, while the sum is 45.

The square root of 7428124287 is about 86186.5667433156. The cubic root of 7428124287 is about 1951.1607629470.

The spelling of 7428124287 in words is "seven billion, four hundred twenty-eight million, one hundred twenty-four thousand, two hundred eighty-seven".