90208596305 has 8 divisors (see below), whose sum is σ = 108321966144. Its totient is φ = 72119110000.

The previous prime is 90208596301. The next prime is 90208596307. The reversal of 90208596305 is 50369580209.

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

It is not a de Polignac number, because 90208596305 - 2² = 90208596301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90208596305.

It is not an unprimeable number, because it can be changed into a prime (90208596301) 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, 5962571 + ... + 5977680.

It is an arithmetic number, because the mean of its divisors is an integer number (13540245768).

Almost surely, 2^90208596305 is an apocalyptic number.

It is an amenable number.

90208596305 is a deficient number, since it is larger than the sum of its proper divisors (18113369839).

90208596305 is a wasteful number, since it uses less digits than its factorization.

90208596305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11941767.

The product of its (nonzero) digits is 583200, while the sum is 47.

The spelling of 90208596305 in words is "ninety billion, two hundred eight million, five hundred ninety-six thousand, three hundred five".