987524047 has 2 divisors, whose sum is σ = 987524048. Its totient is φ = 987524046.

The previous prime is 987524023. The next prime is 987524093. The reversal of 987524047 is 740425789.

It is an a-pointer prime, because the next prime (987524093) can be obtained adding 987524047 to its sum of digits (46).

It is a weak prime.

It is an emirp because it is prime and its reverse (740425789) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 987524047 - 2⁷ = 987523919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 987523988 and 987524006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (987524147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493762023 + 493762024.

It is an arithmetic number, because the mean of its divisors is an integer number (493762024).

Almost surely, 2^987524047 is an apocalyptic number.

987524047 is a deficient number, since it is larger than the sum of its proper divisors (1).

987524047 is an equidigital number, since it uses as much as digits as its factorization.

987524047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 987524047 is about 31424.8953379323. The cubic root of 987524047 is about 995.8239337469.

The spelling of 987524047 in words is "nine hundred eighty-seven million, five hundred twenty-four thousand, forty-seven".