90604612036 has 9 divisors (see below), whose sum is σ = 158559124591. Its totient is φ = 45302005012.

The previous prime is 90604612031. The next prime is 90604612097. The reversal of 90604612036 is 63021640609.

It is a happy number.

The square root of 90604612036 is 301006.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90604611986 and 90604612004.

It is not an unprimeable number, because it can be changed into a prime (90604612031) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 526761 + ... + 677263.

Almost surely, 2^90604612036 is an apocalyptic number.

90604612036 is the 301006-th square number.

It is an amenable number.

90604612036 is a deficient number, since it is larger than the sum of its proper divisors (67954512555).

90604612036 is an frugal number, since it uses more digits than its factorization.

90604612036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301010 (or 150505 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 90604612036 in words is "ninety billion, six hundred four million, six hundred twelve thousand, thirty-six".