9876977 has 4 divisors (see below), whose sum is σ = 10774896. Its totient is φ = 8979060.

The previous prime is 9876961. The next prime is 9877001. The reversal of 9876977 is 7796789.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9876977 - 2⁴ = 9876961 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9876947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448943 + ... + 448964.

It is an arithmetic number, because the mean of its divisors is an integer number (2693724).

Almost surely, 2^9876977 is an apocalyptic number.

It is an amenable number.

9876977 is a deficient number, since it is larger than the sum of its proper divisors (897919).

9876977 is a wasteful number, since it uses less digits than its factorization.

9876977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897918.

The product of its digits is 1333584, while the sum is 53.

The square root of 9876977 is about 3142.7658201018. The cubic root of 9876977 is about 214.5563376812.

The spelling of 9876977 in words is "nine million, eight hundred seventy-six thousand, nine hundred seventy-seven".