248838890987 has 2 divisors, whose sum is σ = 248838890988. Its totient is φ = 248838890986.

The previous prime is 248838890953. The next prime is 248838891019. The reversal of 248838890987 is 789098838842.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 248838890987 - 2¹⁰ = 248838889963 is a prime.

It is not a weakly prime, because it can be changed into another prime (248838890917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124419445493 + 124419445494.

It is an arithmetic number, because the mean of its divisors is an integer number (124419445494).

Almost surely, 2^248838890987 is an apocalyptic number.

248838890987 is a deficient number, since it is larger than the sum of its proper divisors (1).

248838890987 is an equidigital number, since it uses as much as digits as its factorization.

248838890987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 445906944, while the sum is 74.

The spelling of 248838890987 in words is "two hundred forty-eight billion, eight hundred thirty-eight million, eight hundred ninety thousand, nine hundred eighty-seven".