7287287158 has 16 divisors (see below), whose sum is σ = 11047065120. Its totient is φ = 3604984000.

The previous prime is 7287287153. The next prime is 7287287173. The reversal of 7287287158 is 8517827827.

It is a junction number, because it is equal to n+sod(n) for n = 7287287099 and 7287287108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7287287153) 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 7 ways as a sum of consecutive naturals, for example, 286983 + ... + 311341.

It is an arithmetic number, because the mean of its divisors is an integer number (690441570).

Almost surely, 2^7287287158 is an apocalyptic number.

7287287158 is a deficient number, since it is larger than the sum of its proper divisors (3759777962).

7287287158 is a wasteful number, since it uses less digits than its factorization.

7287287158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25943.

The product of its digits is 3512320, while the sum is 55.

The square root of 7287287158 is about 85365.6087543456. The cubic root of 7287287158 is about 1938.7506709852.

The spelling of 7287287158 in words is "seven billion, two hundred eighty-seven million, two hundred eighty-seven thousand, one hundred fifty-eight".