7428159387887 has 8 divisors (see below), whose sum is σ = 8490834809856. Its totient is φ = 6365861414712.

The previous prime is 7428159387877. The next prime is 7428159387889. The reversal of 7428159387887 is 7887839518247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7428159387887 - 2⁶ = 7428159387823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7428159387889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94320023 + ... + 94398744.

It is an arithmetic number, because the mean of its divisors is an integer number (1061354351232).

Almost surely, 2^{7428159387887} is an apocalyptic number.

7428159387887 is a deficient number, since it is larger than the sum of its proper divisors (1062675421969).

7428159387887 is a wasteful number, since it uses less digits than its factorization.

7428159387887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188724397.

The product of its digits is 1517322240, while the sum is 77.

The spelling of 7428159387887 in words is "seven trillion, four hundred twenty-eight billion, one hundred fifty-nine million, three hundred eighty-seven thousand, eight hundred eighty-seven".