90880756948 has 36 divisors (see below), whose sum is σ = 165248967100. Its totient is φ = 43724551680.

The previous prime is 90880756933. The next prime is 90880756949. The reversal of 90880756948 is 84965708809.

It can be written as a sum of positive squares in 6 ways, for example, as 51487240464 + 39393516484 = 226908^2 + 198478^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 90880756948.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90880756949) 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 11 ways as a sum of consecutive naturals, for example, 398278 + ... + 583426.

Almost surely, 2^90880756948 is an apocalyptic number.

It is an amenable number.

90880756948 is a deficient number, since it is larger than the sum of its proper divisors (74368210152).

90880756948 is a wasteful number, since it uses less digits than its factorization.

90880756948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185308 (or 185265 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 64.

The spelling of 90880756948 in words is "ninety billion, eight hundred eighty million, seven hundred fifty-six thousand, nine hundred forty-eight".