86824860 has 48 divisors (see below), whose sum is σ = 243833856. Its totient is φ = 23084352.

The previous prime is 86824853. The next prime is 86824867. The reversal of 86824860 is 6842868.

It is an interprime number because it is at equal distance from previous prime (86824853) and next prime (86824867).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86824867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20049 + ... + 23991.

It is an arithmetic number, because the mean of its divisors is an integer number (5079872).

Almost surely, 2^86824860 is an apocalyptic number.

It is an amenable number.

86824860 is an abundant number, since it is smaller than the sum of its proper divisors (157008996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86824860 is a wasteful number, since it uses less digits than its factorization.

86824860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4322 (or 4320 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 86824860 is about 9317.9858338592. The cubic root of 86824860 is about 442.8072238466.

The spelling of 86824860 in words is "eighty-six million, eight hundred twenty-four thousand, eight hundred sixty".