86550873 has 16 divisors (see below), whose sum is σ = 118500096. Its totient is φ = 56160720.

The previous prime is 86550857. The next prime is 86550883. The reversal of 86550873 is 37805568.

It is not a de Polignac number, because 86550873 - 2⁴ = 86550857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86550883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41686 + ... + 43712.

It is an arithmetic number, because the mean of its divisors is an integer number (7406256).

Almost surely, 2^86550873 is an apocalyptic number.

It is an amenable number.

86550873 is a deficient number, since it is larger than the sum of its proper divisors (31949223).

86550873 is a wasteful number, since it uses less digits than its factorization.

86550873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 86550873 is about 9303.2721662864. The cubic root of 86550873 is about 442.3409546841.

The spelling of 86550873 in words is "eighty-six million, five hundred fifty thousand, eight hundred seventy-three".