86916469 has 8 divisors (see below), whose sum is σ = 91627040. Its totient is φ = 82219536.

The previous prime is 86916463. The next prime is 86916481. The reversal of 86916469 is 96461968.

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

It is not a de Polignac number, because 86916469 - 2⁵ = 86916437 is a prime.

It is a super-2 number, since 2×86916469² = 15108945166855922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86916463) 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, 11362 + ... + 17404.

It is an arithmetic number, because the mean of its divisors is an integer number (11453380).

Almost surely, 2^86916469 is an apocalyptic number.

It is an amenable number.

86916469 is a deficient number, since it is larger than the sum of its proper divisors (4710571).

86916469 is a wasteful number, since it uses less digits than its factorization.

86916469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6819.

The product of its digits is 559872, while the sum is 49.

The square root of 86916469 is about 9322.9002461680. The cubic root of 86916469 is about 442.9629045605.

The spelling of 86916469 in words is "eighty-six million, nine hundred sixteen thousand, four hundred sixty-nine".