13537247987 has 2 divisors, whose sum is σ = 13537247988. Its totient is φ = 13537247986.

The previous prime is 13537247957. The next prime is 13537248017. The reversal of 13537247987 is 78974273531.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (13537247957) and next prime (13537248017).

It is a cyclic number.

It is not a de Polignac number, because 13537247987 - 2³⁰ = 12463506163 is a prime.

It is not a weakly prime, because it can be changed into another prime (13537247957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6768623993 + 6768623994.

It is an arithmetic number, because the mean of its divisors is an integer number (6768623994).

Almost surely, 2^13537247987 is an apocalyptic number.

13537247987 is a deficient number, since it is larger than the sum of its proper divisors (1).

13537247987 is an equidigital number, since it uses as much as digits as its factorization.

13537247987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8890560, while the sum is 56.

The spelling of 13537247987 in words is "thirteen billion, five hundred thirty-seven million, two hundred forty-seven thousand, nine hundred eighty-seven".