90524930078 has 24 divisors (see below), whose sum is σ = 149271527496. Its totient is φ = 41142839760.

The previous prime is 90524930071. The next prime is 90524930099. The reversal of 90524930078 is 87003942509.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90524930071) 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, 2751401 + ... + 2784107.

It is an arithmetic number, because the mean of its divisors is an integer number (6219646979).

Almost surely, 2^90524930078 is an apocalyptic number.

90524930078 is a deficient number, since it is larger than the sum of its proper divisors (58746597418).

90524930078 is a wasteful number, since it uses less digits than its factorization.

90524930078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44168 (or 44157 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 90524930078 in words is "ninety billion, five hundred twenty-four million, nine hundred thirty thousand, seventy-eight".