90468967712 has 18 divisors (see below), whose sum is σ = 178114130019. Its totient is φ = 45233633120.

The previous prime is 90468967681. The next prime is 90468967751. The reversal of 90468967712 is 21776986409.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 45234483856 + 45234483856 = 212684^2 + 212684^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=212684.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1674887 + ... + 1728057.

Almost surely, 2^90468967712 is an apocalyptic number.

It is an amenable number.

90468967712 is a deficient number, since it is larger than the sum of its proper divisors (87645162307).

90468967712 is an frugal number, since it uses more digits than its factorization.

90468967712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106352 (or 53173 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 59.

The spelling of 90468967712 in words is "ninety billion, four hundred sixty-eight million, nine hundred sixty-seven thousand, seven hundred twelve".