87112859 has 2 divisors, whose sum is σ = 87112860. Its totient is φ = 87112858.

The previous prime is 87112841. The next prime is 87112901. The reversal of 87112859 is 95821178.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87112859 - 2⁸ = 87112603 is a prime.

It is not a weakly prime, because it can be changed into another prime (87142859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43556429 + 43556430.

It is an arithmetic number, because the mean of its divisors is an integer number (43556430).

Almost surely, 2^87112859 is an apocalyptic number.

87112859 is a deficient number, since it is larger than the sum of its proper divisors (1).

87112859 is an equidigital number, since it uses as much as digits as its factorization.

87112859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 41.

The square root of 87112859 is about 9333.4269697684. The cubic root of 87112859 is about 443.2962822912.

The spelling of 87112859 in words is "eighty-seven million, one hundred twelve thousand, eight hundred fifty-nine".