90567768 has 16 divisors (see below), whose sum is σ = 226419480. Its totient is φ = 30189248.

The previous prime is 90567751. The next prime is 90567769. The reversal of 90567768 is 86776509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90567769) 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, 1886805 + ... + 1886852.

Almost surely, 2^90567768 is an apocalyptic number.

It is an amenable number.

90567768 is an abundant number, since it is smaller than the sum of its proper divisors (135851712).

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

90567768 is a wasteful number, since it uses less digits than its factorization.

90567768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3773666 (or 3773662 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 48.

The square root of 90567768 is about 9516.7099356868. The cubic root of 90567768 is about 449.0808696224.

The spelling of 90567768 in words is "ninety million, five hundred sixty-seven thousand, seven hundred sixty-eight".