90791634722 has 32 divisors (see below), whose sum is σ = 138486656448. Its totient is φ = 44636852736.

The previous prime is 90791634709. The next prime is 90791634727. The reversal of 90791634722 is 22743619709.

It is not an unprimeable number, because it can be changed into a prime (90791634727) 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 15 ways as a sum of consecutive naturals, for example, 23684918 + ... + 23688750.

It is an arithmetic number, because the mean of its divisors is an integer number (4327708014).

Almost surely, 2^90791634722 is an apocalyptic number.

90791634722 is a deficient number, since it is larger than the sum of its proper divisors (47695021726).

90791634722 is a wasteful number, since it uses less digits than its factorization.

90791634722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4754.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The spelling of 90791634722 in words is "ninety billion, seven hundred ninety-one million, six hundred thirty-four thousand, seven hundred twenty-two".