90842752368 has 40 divisors (see below), whose sum is σ = 260752346000. Its totient is φ = 30280917312.

The previous prime is 90842752361. The next prime is 90842752381. The reversal of 90842752368 is 86325724809.

90842752368 is a `hidden beast` number, since 9 + 0 + 8 + 4 + 275 + 2 + 368 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90842752361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105141643 + ... + 105142506.

It is an arithmetic number, because the mean of its divisors is an integer number (6518808650).

Almost surely, 2^90842752368 is an apocalyptic number.

It is an amenable number.

90842752368 is an abundant number, since it is smaller than the sum of its proper divisors (169909593632).

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

90842752368 is a wasteful number, since it uses less digits than its factorization.

90842752368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210284166 (or 210284154 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 90842752368 in words is "ninety billion, eight hundred forty-two million, seven hundred fifty-two thousand, three hundred sixty-eight".