90758789448 has 64 divisors (see below), whose sum is σ = 238872864000. Its totient is φ = 28656597312.

The previous prime is 90758789437. The next prime is 90758789449. The reversal of 90758789448 is 84498785709.

It is a super-2 number, since 2×90758789448² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90758789449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5987463 + ... + 6002601.

It is an arithmetic number, because the mean of its divisors is an integer number (3732388500).

Almost surely, 2^90758789448 is an apocalyptic number.

It is an amenable number.

90758789448 is an abundant number, since it is smaller than the sum of its proper divisors (148114074552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90758789448 is a wasteful number, since it uses less digits than its factorization.

90758789448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28314 (or 28310 counting only the distinct ones).

The product of its (nonzero) digits is 162570240, while the sum is 69.

The spelling of 90758789448 in words is "ninety billion, seven hundred fifty-eight million, seven hundred eighty-nine thousand, four hundred forty-eight".