86550047 has 4 divisors (see below), whose sum is σ = 89342016. Its totient is φ = 83758080.

The previous prime is 86550019. The next prime is 86550059. The reversal of 86550047 is 74005568.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86550047 - 2⁸ = 86549791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86549989 and 86550016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86550647) 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, 1395938 + ... + 1395999.

It is an arithmetic number, because the mean of its divisors is an integer number (22335504).

Almost surely, 2^86550047 is an apocalyptic number.

86550047 is a deficient number, since it is larger than the sum of its proper divisors (2791969).

86550047 is a wasteful number, since it uses less digits than its factorization.

86550047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791968.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 86550047 is about 9303.2277731979. The cubic root of 86550047 is about 442.3395475164.

The spelling of 86550047 in words is "eighty-six million, five hundred fifty thousand, forty-seven".