86824969 has 16 divisors (see below), whose sum is σ = 108481536. Its totient is φ = 67510800.

The previous prime is 86824963. The next prime is 86824993. The reversal of 86824969 is 96942868.

It is not a de Polignac number, because 86824969 - 2³ = 86824961 is a prime.

It is a super-2 number, since 2×86824969² = 15077150483701922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86824961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47694 + ... + 49480.

It is an arithmetic number, because the mean of its divisors is an integer number (6780096).

Almost surely, 2^86824969 is an apocalyptic number.

It is an amenable number.

86824969 is a deficient number, since it is larger than the sum of its proper divisors (21656567).

86824969 is a wasteful number, since it uses less digits than its factorization.

86824969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436.

The product of its digits is 1492992, while the sum is 52.

The square root of 86824969 is about 9317.9916827608. The cubic root of 86824969 is about 442.8074091467.

The spelling of 86824969 in words is "eighty-six million, eight hundred twenty-four thousand, nine hundred sixty-nine".