86753840 has 20 divisors (see below), whose sum is σ = 201702864. Its totient is φ = 34701504.

The previous prime is 86753813. The next prime is 86753899. The reversal of 86753840 is 4835768.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 542132 + ... + 542291.

Almost surely, 2^86753840 is an apocalyptic number.

86753840 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

86753840 is an abundant number, since it is smaller than the sum of its proper divisors (114949024).

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

86753840 is a wasteful number, since it uses less digits than its factorization.

86753840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084436 (or 1084430 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 86753840 is about 9314.1741448182. The cubic root of 86753840 is about 442.6864567933.

The spelling of 86753840 in words is "eighty-six million, seven hundred fifty-three thousand, eight hundred forty".