147703987 has 2 divisors, whose sum is σ = 147703988. Its totient is φ = 147703986.

The previous prime is 147703981. The next prime is 147704003. The reversal of 147703987 is 789307741.

147703987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (789307741) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147703987 is a prime.

It is not a weakly prime, because it can be changed into another prime (147703981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73851993 + 73851994.

It is an arithmetic number, because the mean of its divisors is an integer number (73851994).

Almost surely, 2^147703987 is an apocalyptic number.

147703987 is a deficient number, since it is larger than the sum of its proper divisors (1).

147703987 is an equidigital number, since it uses as much as digits as its factorization.

147703987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 296352, while the sum is 46.

The square root of 147703987 is about 12153.3529118511. The cubic root of 147703987 is about 528.6043582427.

The spelling of 147703987 in words is "one hundred forty-seven million, seven hundred three thousand, nine hundred eighty-seven".