90523837522 has 8 divisors (see below), whose sum is σ = 135787075056. Its totient is φ = 45261479172.

The previous prime is 90523837507. The next prime is 90523837553. The reversal of 90523837522 is 22573832509.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191673 + ... + 466675.

It is an arithmetic number, because the mean of its divisors is an integer number (16973384382).

Almost surely, 2^90523837522 is an apocalyptic number.

90523837522 is a deficient number, since it is larger than the sum of its proper divisors (45263237534).

90523837522 is a wasteful number, since it uses less digits than its factorization.

90523837522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439592.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 90523837522 in words is "ninety billion, five hundred twenty-three million, eight hundred thirty-seven thousand, five hundred twenty-two".