90911337437436 has 96 divisors (see below), whose sum is σ = 219001566502656. Its totient is φ = 29333889984000.

The previous prime is 90911337437377. The next prime is 90911337437447. The reversal of 90911337437436 is 63473473311909.

It is a self number, because there is not a number n which added to its sum of digits gives 90911337437436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40704291 + ... + 42879621.

It is an arithmetic number, because the mean of its divisors is an integer number (2281266317736).

Almost surely, 2^{90911337437436} is an apocalyptic number.

It is an amenable number.

90911337437436 is an abundant number, since it is smaller than the sum of its proper divisors (128090229065220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90911337437436 is a wasteful number, since it uses less digits than its factorization.

90911337437436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176043 (or 2176041 counting only the distinct ones).

The product of its (nonzero) digits is 30862944, while the sum is 60.

The spelling of 90911337437436 in words is "ninety trillion, nine hundred eleven billion, three hundred thirty-seven million, four hundred thirty-seven thousand, four hundred thirty-six".