87708107 has 2 divisors, whose sum is σ = 87708108. Its totient is φ = 87708106.

The previous prime is 87708077. The next prime is 87708139. The reversal of 87708107 is 70180778.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87708107 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87708197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43854053 + 43854054.

It is an arithmetic number, because the mean of its divisors is an integer number (43854054).

Almost surely, 2^87708107 is an apocalyptic number.

87708107 is a deficient number, since it is larger than the sum of its proper divisors (1).

87708107 is an equidigital number, since it uses as much as digits as its factorization.

87708107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21952, while the sum is 38.

The square root of 87708107 is about 9365.2606477343. The cubic root of 87708107 is about 444.3036822820.

The spelling of 87708107 in words is "eighty-seven million, seven hundred eight thousand, one hundred seven".