86505877 has 8 divisors (see below), whose sum is σ = 91699776. Its totient is φ = 81323712.

The previous prime is 86505871. The next prime is 86505883. The reversal of 86505877 is 77850568.

It is an interprime number because it is at equal distance from previous prime (86505871) and next prime (86505883).

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

It is a cyclic number.

It is not a de Polignac number, because 86505877 - 2¹⁵ = 86473109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86505871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15678 + ... + 20464.

It is an arithmetic number, because the mean of its divisors is an integer number (11462472).

Almost surely, 2^86505877 is an apocalyptic number.

It is an amenable number.

86505877 is a deficient number, since it is larger than the sum of its proper divisors (5193899).

86505877 is a wasteful number, since it uses less digits than its factorization.

86505877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5867.

The product of its (nonzero) digits is 470400, while the sum is 46.

The square root of 86505877 is about 9300.8535629801. The cubic root of 86505877 is about 442.2642867737.

The spelling of 86505877 in words is "eighty-six million, five hundred five thousand, eight hundred seventy-seven".