207748141987 has 2 divisors, whose sum is σ = 207748141988. Its totient is φ = 207748141986.

The previous prime is 207748141969. The next prime is 207748142011. The reversal of 207748141987 is 789141847702.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 207748141987 - 2¹⁹ = 207747617699 is a prime.

It is not a weakly prime, because it can be changed into another prime (207748141187) 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, 103874070993 + 103874070994.

It is an arithmetic number, because the mean of its divisors is an integer number (103874070994).

Almost surely, 2^207748141987 is an apocalyptic number.

207748141987 is a deficient number, since it is larger than the sum of its proper divisors (1).

207748141987 is an equidigital number, since it uses as much as digits as its factorization.

207748141987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6322176, while the sum is 58.

The spelling of 207748141987 in words is "two hundred seven billion, seven hundred forty-eight million, one hundred forty-one thousand, nine hundred eighty-seven".