87607484487643 has 2 divisors, whose sum is σ = 87607484487644. Its totient is φ = 87607484487642.

The previous prime is 87607484487623. The next prime is 87607484487661. The reversal of 87607484487643 is 34678448470678.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87607484487643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87607484487643.

It is not a weakly prime, because it can be changed into another prime (87607484487623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43803742243821 + 43803742243822.

It is an arithmetic number, because the mean of its divisors is an integer number (43803742243822).

Almost surely, 2^{87607484487643} is an apocalyptic number.

87607484487643 is a deficient number, since it is larger than the sum of its proper divisors (1).

87607484487643 is an equidigital number, since it uses as much as digits as its factorization.

87607484487643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4855431168, while the sum is 76.

The spelling of 87607484487643 in words is "eighty-seven trillion, six hundred seven billion, four hundred eighty-four million, four hundred eighty-seven thousand, six hundred forty-three".