90885478366 has 8 divisors (see below), whose sum is σ = 136345543920. Its totient is φ = 45436963728.

The previous prime is 90885478363. The next prime is 90885478373. The reversal of 90885478366 is 66387458809.

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

It is a junction number, because it is equal to n+sod(n) for n = 90885478298 and 90885478307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90885478363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2868031 + ... + 2899546.

It is an arithmetic number, because the mean of its divisors is an integer number (17043192990).

Almost surely, 2^90885478366 is an apocalyptic number.

90885478366 is a deficient number, since it is larger than the sum of its proper divisors (45460065554).

90885478366 is a wasteful number, since it uses less digits than its factorization.

90885478366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5775458.

The product of its (nonzero) digits is 69672960, while the sum is 64.

The spelling of 90885478366 in words is "ninety billion, eight hundred eighty-five million, four hundred seventy-eight thousand, three hundred sixty-six".