87888859 has 2 divisors, whose sum is σ = 87888860. Its totient is φ = 87888858.

The previous prime is 87888847. The next prime is 87888863. The reversal of 87888859 is 95888878.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87888859 - 2¹⁵ = 87856091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87888797 and 87888806.

It is not a weakly prime, because it can be changed into another prime (87888809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43944429 + 43944430.

It is an arithmetic number, because the mean of its divisors is an integer number (43944430).

Almost surely, 2^87888859 is an apocalyptic number.

87888859 is a deficient number, since it is larger than the sum of its proper divisors (1).

87888859 is an equidigital number, since it uses as much as digits as its factorization.

87888859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10321920, while the sum is 61.

The square root of 87888859 is about 9374.9058128602. The cubic root of 87888859 is about 444.6086851575.

The spelling of 87888859 in words is "eighty-seven million, eight hundred eighty-eight thousand, eight hundred fifty-nine".