90786012 has 48 divisors (see below), whose sum is σ = 220618272. Its totient is φ = 29030400.

The previous prime is 90785941. The next prime is 90786019. The reversal of 90786012 is 21068709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90786019) by changing a digit.

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, 31012 + ... + 33812.

It is an arithmetic number, because the mean of its divisors is an integer number (4596214).

Almost surely, 2^90786012 is an apocalyptic number.

It is an amenable number.

90786012 is an abundant number, since it is smaller than the sum of its proper divisors (129832260).

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

90786012 is a wasteful number, since it uses less digits than its factorization.

90786012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918 (or 2916 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 90786012 is about 9528.1693939602. The cubic root of 90786012 is about 449.4413016959.

The spelling of 90786012 in words is "ninety million, seven hundred eighty-six thousand, twelve".