9977455 has 8 divisors (see below), whose sum is σ = 12001392. Its totient is φ = 7963008.

The previous prime is 9977449. The next prime is 9977483. The reversal of 9977455 is 5547799.

It is a happy number.

9977455 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 9977455 - 2³ = 9977447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199 + ... + 4471.

It is an arithmetic number, because the mean of its divisors is an integer number (1500174).

Almost surely, 2^9977455 is an apocalyptic number.

9977455 is a deficient number, since it is larger than the sum of its proper divisors (2023937).

9977455 is a wasteful number, since it uses less digits than its factorization.

9977455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4745.

The product of its digits is 396900, while the sum is 46.

The square root of 9977455 is about 3158.7109712666. The cubic root of 9977455 is about 215.2814414114.

The spelling of 9977455 in words is "nine million, nine hundred seventy-seven thousand, four hundred fifty-five".