90780968 has 16 divisors (see below), whose sum is σ = 170340000. Its totient is φ = 45356976.

The previous prime is 90780967. The next prime is 90780971. The reversal of 90780968 is 86908709.

It is not an unprimeable number, because it can be changed into a prime (90780967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10253 + ... + 16931.

It is an arithmetic number, because the mean of its divisors is an integer number (10646250).

Almost surely, 2^90780968 is an apocalyptic number.

It is an amenable number.

90780968 is a deficient number, since it is larger than the sum of its proper divisors (79559032).

90780968 is a wasteful number, since it uses less digits than its factorization.

90780968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8384 (or 8380 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 90780968 is about 9527.9047014546. The cubic root of 90780968 is about 449.4329780057.

The spelling of 90780968 in words is "ninety million, seven hundred eighty thousand, nine hundred sixty-eight".