86793812 has 48 divisors (see below), whose sum is σ = 182138880. Its totient is φ = 35383392.

The previous prime is 86793809. The next prime is 86793829. The reversal of 86793812 is 21839768.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197489 + ... + 197927.

It is an arithmetic number, because the mean of its divisors is an integer number (3794560).

Almost surely, 2^86793812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86793812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91069440).

86793812 is an abundant number, since it is smaller than the sum of its proper divisors (95345068).

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

86793812 is a wasteful number, since it uses less digits than its factorization.

86793812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780 (or 778 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 86793812 is about 9316.3196596081. The cubic root of 86793812 is about 442.7544359017.

The spelling of 86793812 in words is "eighty-six million, seven hundred ninety-three thousand, eight hundred twelve".