90885478298 has 8 divisors (see below), whose sum is σ = 136501444992. Its totient is φ = 45384996636.

The previous prime is 90885478283. The next prime is 90885478309. The reversal of 90885478298 is 89287458809.

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, 28869290 + ... + 28872437.

It is an arithmetic number, because the mean of its divisors is an integer number (17062680624).

Almost surely, 2^90885478298 is an apocalyptic number.

90885478298 is a deficient number, since it is larger than the sum of its proper divisors (45615966694).

90885478298 is a wasteful number, since it uses less digits than its factorization.

90885478298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57742516.

The product of its (nonzero) digits is 92897280, while the sum is 68.

The spelling of 90885478298 in words is "ninety billion, eight hundred eighty-five million, four hundred seventy-eight thousand, two hundred ninety-eight".