87410673187 has 2 divisors, whose sum is σ = 87410673188. Its totient is φ = 87410673186.

The previous prime is 87410673139. The next prime is 87410673227. The reversal of 87410673187 is 78137601478.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87410673187 is a prime.

It is not a weakly prime, because it can be changed into another prime (87410673487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43705336593 + 43705336594.

It is an arithmetic number, because the mean of its divisors is an integer number (43705336594).

Almost surely, 2^87410673187 is an apocalyptic number.

87410673187 is a deficient number, since it is larger than the sum of its proper divisors (1).

87410673187 is an equidigital number, since it uses as much as digits as its factorization.

87410673187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1580544, while the sum is 52.

The spelling of 87410673187 in words is "eighty-seven billion, four hundred ten million, six hundred seventy-three thousand, one hundred eighty-seven".