9977233285055 has 4 divisors (see below), whose sum is σ = 11972679942072. Its totient is φ = 7981786628040.

The previous prime is 9977233285027. The next prime is 9977233285067. The reversal of 9977233285055 is 5505823327799.

9977233285055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 9977233285055 - 2³² = 9972938317759 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9977233284982 and 9977233285000.

It is a congruent number.

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, 997723328501 + ... + 997723328510.

It is an arithmetic number, because the mean of its divisors is an integer number (2993169985518).

Almost surely, 2^{9977233285055} is an apocalyptic number.

9977233285055 is a deficient number, since it is larger than the sum of its proper divisors (1995446657017).

9977233285055 is a wasteful number, since it uses less digits than its factorization.

9977233285055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995446657016.

The product of its (nonzero) digits is 142884000, while the sum is 65.

The spelling of 9977233285055 in words is "nine trillion, nine hundred seventy-seven billion, two hundred thirty-three million, two hundred eighty-five thousand, fifty-five".