7285906387 has 8 divisors (see below), whose sum is σ = 7374477600. Its totient is φ = 7197657600.

The previous prime is 7285906367. The next prime is 7285906391. The reversal of 7285906387 is 7836095827.

7285906387 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 7285906387 - 2¹⁵ = 7285873619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7285906367) 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 7 ways as a sum of consecutive naturals, for example, 34983 + ... + 125680.

It is an arithmetic number, because the mean of its divisors is an integer number (921809700).

Almost surely, 2^7285906387 is an apocalyptic number.

7285906387 is a deficient number, since it is larger than the sum of its proper divisors (88571213).

7285906387 is a wasteful number, since it uses less digits than its factorization.

7285906387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161213.

The product of its (nonzero) digits is 5080320, while the sum is 55.

The square root of 7285906387 is about 85357.5209750143. The cubic root of 7285906387 is about 1938.6282139018.

The spelling of 7285906387 in words is "seven billion, two hundred eighty-five million, nine hundred six thousand, three hundred eighty-seven".