90366774549 has 8 divisors (see below), whose sum is σ = 120621879840. Its totient is φ = 60178092816.

The previous prime is 90366774481. The next prime is 90366774559. The reversal of 90366774549 is 94547766309.

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

It is not a de Polignac number, because 90366774549 - 2¹² = 90366770453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90366774492 and 90366774501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90366774559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16602714 + ... + 16608155.

It is an arithmetic number, because the mean of its divisors is an integer number (15077734980).

Almost surely, 2^90366774549 is an apocalyptic number.

It is an amenable number.

90366774549 is a deficient number, since it is larger than the sum of its proper divisors (30255105291).

90366774549 is a wasteful number, since it uses less digits than its factorization.

90366774549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33211779.

The product of its (nonzero) digits is 34292160, while the sum is 60.

The spelling of 90366774549 in words is "ninety billion, three hundred sixty-six million, seven hundred seventy-four thousand, five hundred forty-nine".