87486859 has 4 divisors (see below), whose sum is σ = 87518704. Its totient is φ = 87455016.

The previous prime is 87486853. The next prime is 87486869. The reversal of 87486859 is 95868478.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95868478 = 2 ⋅47934239.

It is a cyclic number.

It is not a de Polignac number, because 87486859 - 2³ = 87486851 is a prime.

It is a super-3 number, since 3×87486859³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87486851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11367 + ... + 17440.

It is an arithmetic number, because the mean of its divisors is an integer number (21879676).

Almost surely, 2^87486859 is an apocalyptic number.

87486859 is a deficient number, since it is larger than the sum of its proper divisors (31845).

87486859 is a wasteful number, since it uses less digits than its factorization.

87486859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31844.

The product of its digits is 3870720, while the sum is 55.

The square root of 87486859 is about 9353.4410245642. The cubic root of 87486859 is about 443.9297750986.

The spelling of 87486859 in words is "eighty-seven million, four hundred eighty-six thousand, eight hundred fifty-nine".