90845334232 has 8 divisors (see below), whose sum is σ = 170335001700. Its totient is φ = 45422667112.

The previous prime is 90845334227. The next prime is 90845334233. The reversal of 90845334232 is 23243354809.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90845334233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5677833382 + ... + 5677833397.

Almost surely, 2^90845334232 is an apocalyptic number.

It is an amenable number.

90845334232 is a deficient number, since it is larger than the sum of its proper divisors (79489667468).

90845334232 is a wasteful number, since it uses less digits than its factorization.

90845334232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11355666785 (or 11355666781 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 90845334232 in words is "ninety billion, eight hundred forty-five million, three hundred thirty-four thousand, two hundred thirty-two".