990432095277 has 16 divisors (see below), whose sum is σ = 1338751300608. Its totient is φ = 651201626880.

The previous prime is 990432095273. The next prime is 990432095351. The reversal of 990432095277 is 772590234099.

It is not a de Polignac number, because 990432095277 - 2² = 990432095273 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990432095273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3522577 + ... + 3793337.

It is an arithmetic number, because the mean of its divisors is an integer number (83671956288).

Almost surely, 2^990432095277 is an apocalyptic number.

It is an amenable number.

990432095277 is a deficient number, since it is larger than the sum of its proper divisors (348319205331).

990432095277 is a wasteful number, since it uses less digits than its factorization.

990432095277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287540.

The product of its (nonzero) digits is 8573040, while the sum is 57.

The spelling of 990432095277 in words is "nine hundred ninety billion, four hundred thirty-two million, ninety-five thousand, two hundred seventy-seven".