86824967 has 4 divisors (see below), whose sum is σ = 91932336. Its totient is φ = 81717600.

The previous prime is 86824963. The next prime is 86824993. The reversal of 86824967 is 76942868.

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 86824967 - 2² = 86824963 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 (86824961) 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, 2553659 + ... + 2553692.

It is an arithmetic number, because the mean of its divisors is an integer number (22983084).

Almost surely, 2^86824967 is an apocalyptic number.

86824967 is a deficient number, since it is larger than the sum of its proper divisors (5107369).

86824967 is a wasteful number, since it uses less digits than its factorization.

86824967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5107368.

The product of its digits is 1161216, while the sum is 50.

The square root of 86824967 is about 9317.9915754416. The cubic root of 86824967 is about 442.8074057467.

The spelling of 86824967 in words is "eighty-six million, eight hundred twenty-four thousand, nine hundred sixty-seven".