10240287887 has 4 divisors (see below), whose sum is σ = 10433500920. Its totient is φ = 10047074856.

The previous prime is 10240287857. The next prime is 10240287979. The reversal of 10240287887 is 78878204201.

10240287887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78878204201 = 4441 ⋅17761361.

It is a cyclic number.

It is not a de Polignac number, because 10240287887 - 2¹⁶ = 10240222351 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 (10240287857) 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 3 ways as a sum of consecutive naturals, for example, 96606437 + ... + 96606542.

It is an arithmetic number, because the mean of its divisors is an integer number (2608375230).

Almost surely, 2^10240287887 is an apocalyptic number.

10240287887 is a deficient number, since it is larger than the sum of its proper divisors (193213033).

10240287887 is an equidigital number, since it uses as much as digits as its factorization.

10240287887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193213032.

The product of its (nonzero) digits is 401408, while the sum is 47.

The spelling of 10240287887 in words is "ten billion, two hundred forty million, two hundred eighty-seven thousand, eight hundred eighty-seven".