10239021887 has 2 divisors, whose sum is σ = 10239021888. Its totient is φ = 10239021886.

The previous prime is 10239021797. The next prime is 10239021893. The reversal of 10239021887 is 78812093201.

10239021887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10239021887 - 2¹⁸ = 10238759743 is a prime.

It is a super-3 number, since 3×10239021887³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10239221887) 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 as a sum of consecutive naturals, namely, 5119510943 + 5119510944.

It is an arithmetic number, because the mean of its divisors is an integer number (5119510944).

Almost surely, 2^10239021887 is an apocalyptic number.

10239021887 is a deficient number, since it is larger than the sum of its proper divisors (1).

10239021887 is an equidigital number, since it uses as much as digits as its factorization.

10239021887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 41.

The spelling of 10239021887 in words is "ten billion, two hundred thirty-nine million, twenty-one thousand, eight hundred eighty-seven".