86699291 has 8 divisors (see below), whose sum is σ = 99143424. Its totient is φ = 74269800.

The previous prime is 86699287. The next prime is 86699311. The reversal of 86699291 is 19299668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86699291 - 2² = 86699287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86699231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16316 + ... + 20966.

It is an arithmetic number, because the mean of its divisors is an integer number (12392928).

Almost surely, 2^86699291 is an apocalyptic number.

86699291 is a deficient number, since it is larger than the sum of its proper divisors (12444133).

86699291 is a wasteful number, since it uses less digits than its factorization.

86699291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7321.

The product of its digits is 419904, while the sum is 50.

The square root of 86699291 is about 9311.2454054224. The cubic root of 86699291 is about 442.5936533448.

The spelling of 86699291 in words is "eighty-six million, six hundred ninety-nine thousand, two hundred ninety-one".