86047967 has 4 divisors (see below), whose sum is σ = 86269560. Its totient is φ = 85826376.

The previous prime is 86047939. The next prime is 86047981. The reversal of 86047967 is 76974068.

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 86047967 - 2¹⁶ = 85982431 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 (86047937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110213 + ... + 110990.

It is an arithmetic number, because the mean of its divisors is an integer number (21567390).

Almost surely, 2^86047967 is an apocalyptic number.

86047967 is a deficient number, since it is larger than the sum of its proper divisors (221593).

86047967 is a wasteful number, since it uses less digits than its factorization.

86047967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221592.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 86047967 is about 9276.2043422943. The cubic root of 86047967 is about 441.4825455560.

The spelling of 86047967 in words is "eighty-six million, forty-seven thousand, nine hundred sixty-seven".