87534630907 has 2 divisors, whose sum is σ = 87534630908. Its totient is φ = 87534630906.

The previous prime is 87534630893. The next prime is 87534630919. The reversal of 87534630907 is 70903643578.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87534630907 - 2²³ = 87526242299 is a prime.

It is not a weakly prime, because it can be changed into another prime (87534630977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43767315453 + 43767315454.

It is an arithmetic number, because the mean of its divisors is an integer number (43767315454).

Almost surely, 2^87534630907 is an apocalyptic number.

87534630907 is a deficient number, since it is larger than the sum of its proper divisors (1).

87534630907 is an equidigital number, since it uses as much as digits as its factorization.

87534630907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 87534630907 in words is "eighty-seven billion, five hundred thirty-four million, six hundred thirty thousand, nine hundred seven".