86587798 has 8 divisors (see below), whose sum is σ = 141689160. Its totient is φ = 39358080.

The previous prime is 86587763. The next prime is 86587799. The reversal of 86587798 is 89778568.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86587799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1967883 + ... + 1967926.

It is an arithmetic number, because the mean of its divisors is an integer number (17711145).

Almost surely, 2^86587798 is an apocalyptic number.

86587798 is a deficient number, since it is larger than the sum of its proper divisors (55101362).

86587798 is a wasteful number, since it uses less digits than its factorization.

86587798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3935822.

The product of its digits is 6773760, while the sum is 58.

The square root of 86587798 is about 9305.2564714789. The cubic root of 86587798 is about 442.4038507088.

The spelling of 86587798 in words is "eighty-six million, five hundred eighty-seven thousand, seven hundred ninety-eight".