90654985312 has 48 divisors (see below), whose sum is σ = 180429228000. Its totient is φ = 44832614400.

The previous prime is 90654985307. The next prime is 90654985319. The reversal of 90654985312 is 21358945609.

It is a self number, because there is not a number n which added to its sum of digits gives 90654985312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90654985319) 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, 3247189 + ... + 3274987.

It is an arithmetic number, because the mean of its divisors is an integer number (3758942250).

Almost surely, 2^90654985312 is an apocalyptic number.

It is an amenable number.

90654985312 is a deficient number, since it is larger than the sum of its proper divisors (89774242688).

90654985312 is a wasteful number, since it uses less digits than its factorization.

90654985312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28919 (or 28911 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 90654985312 in words is "ninety billion, six hundred fifty-four million, nine hundred eighty-five thousand, three hundred twelve".