90780966 has 16 divisors (see below), whose sum is σ = 201735600. Its totient is φ = 30260304.

The previous prime is 90780953. The next prime is 90780967. The reversal of 90780966 is 66908709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90780967) 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 7 ways as a sum of consecutive naturals, for example, 840511 + ... + 840618.

It is an arithmetic number, because the mean of its divisors is an integer number (12608475).

Almost surely, 2^90780966 is an apocalyptic number.

90780966 is an abundant number, since it is smaller than the sum of its proper divisors (110954634).

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

90780966 is a wasteful number, since it uses less digits than its factorization.

90780966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681140 (or 1681134 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 90780966 is about 9527.9045964997. The cubic root of 90780966 is about 449.4329747052.

The spelling of 90780966 in words is "ninety million, seven hundred eighty thousand, nine hundred sixty-six".