87104671 has 2 divisors, whose sum is σ = 87104672. Its totient is φ = 87104670.

The previous prime is 87104663. The next prime is 87104681. The reversal of 87104671 is 17640178.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87104671 - 2³ = 87104663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87104681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43552335 + 43552336.

It is an arithmetic number, because the mean of its divisors is an integer number (43552336).

Almost surely, 2^87104671 is an apocalyptic number.

87104671 is a deficient number, since it is larger than the sum of its proper divisors (1).

87104671 is an equidigital number, since it uses as much as digits as its factorization.

87104671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 87104671 is about 9332.9883210042. The cubic root of 87104671 is about 443.2823929385.

The spelling of 87104671 in words is "eighty-seven million, one hundred four thousand, six hundred seventy-one".