86075047 has 4 divisors (see below), whose sum is σ = 86097816. Its totient is φ = 86052280.

The previous prime is 86075023. The next prime is 86075057. The reversal of 86075047 is 74057068.

It is a happy number.

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 86075047 - 2¹¹ = 86072999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86074997 and 86075015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86075057) 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, 4204 + ... + 13777.

It is an arithmetic number, because the mean of its divisors is an integer number (21524454).

Almost surely, 2^86075047 is an apocalyptic number.

86075047 is a deficient number, since it is larger than the sum of its proper divisors (22769).

86075047 is a wasteful number, since it uses less digits than its factorization.

86075047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22768.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 86075047 is about 9277.6638762137. The cubic root of 86075047 is about 441.5288534228.

The spelling of 86075047 in words is "eighty-six million, seventy-five thousand, forty-seven".