90675824321 has 8 divisors (see below), whose sum is σ = 93672837888. Its totient is φ = 87683310000.

The previous prime is 90675824287. The next prime is 90675824353. The reversal of 90675824321 is 12342857609.

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

It is a cyclic number.

It is not a de Polignac number, because 90675824321 - 2¹⁸ = 90675562177 is a prime.

It is a super-2 number, since 2×90675824321² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90675820321) 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, 1083815 + ... + 1164476.

It is an arithmetic number, because the mean of its divisors is an integer number (11709104736).

It is a 1-persistent number, because it is pandigital, but 2⋅90675824321 = 181351648642 is not.

Almost surely, 2^90675824321 is an apocalyptic number.

It is an amenable number.

90675824321 is a deficient number, since it is larger than the sum of its proper divisors (2997013567).

90675824321 is a wasteful number, since it uses less digits than its factorization.

90675824321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249623.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 90675824321 in words is "ninety billion, six hundred seventy-five million, eight hundred twenty-four thousand, three hundred twenty-one".