90453744782 has 8 divisors (see below), whose sum is σ = 137315323656. Its totient is φ = 44681970232.

The previous prime is 90453744781. The next prime is 90453744811. The reversal of 90453744782 is 28744735409.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90453744781) 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, 272450873 + ... + 272451204.

It is an arithmetic number, because the mean of its divisors is an integer number (17164415457).

Almost surely, 2^90453744782 is an apocalyptic number.

90453744782 is a deficient number, since it is larger than the sum of its proper divisors (46861578874).

90453744782 is a wasteful number, since it uses less digits than its factorization.

90453744782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544902162.

The product of its (nonzero) digits is 6773760, while the sum is 53.

The spelling of 90453744782 in words is "ninety billion, four hundred fifty-three million, seven hundred forty-four thousand, seven hundred eighty-two".