90082768 has 20 divisors (see below), whose sum is σ = 174796228. Its totient is φ = 44974080.

The previous prime is 90082763. The next prime is 90082799. The reversal of 90082768 is 86728009.

It can be written as a sum of positive squares in 2 ways, for example, as 78712384 + 11370384 = 8872^2 + 3372^2 .

It is a super-2 number, since 2×90082768² = 16229810181083648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90082768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90082763) 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, 7888 + ... + 15568.

Almost surely, 2^90082768 is an apocalyptic number.

It is an amenable number.

90082768 is a deficient number, since it is larger than the sum of its proper divisors (84713460).

90082768 is a wasteful number, since it uses less digits than its factorization.

90082768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8422 (or 8416 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 90082768 is about 9491.1942346577. The cubic root of 90082768 is about 448.2778091973.

The spelling of 90082768 in words is "ninety million, eighty-two thousand, seven hundred sixty-eight".