9977242876 has 12 divisors (see below), whose sum is σ = 17464333320. Its totient is φ = 4987433360.

The previous prime is 9977242871. The next prime is 9977242903. The reversal of 9977242876 is 6782427799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9977242871) 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, 277990 + ... + 311821.

It is an arithmetic number, because the mean of its divisors is an integer number (1455361110).

Almost surely, 2^9977242876 is an apocalyptic number.

It is an amenable number.

9977242876 is a deficient number, since it is larger than the sum of its proper divisors (7487090444).

9977242876 is a wasteful number, since it uses less digits than its factorization.

9977242876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594044 (or 594042 counting only the distinct ones).

The product of its digits is 21337344, while the sum is 61.

The square root of 9977242876 is about 99886.1495703984. The cubic root of 9977242876 is about 2152.7991574902.

The spelling of 9977242876 in words is "nine billion, nine hundred seventy-seven million, two hundred forty-two thousand, eight hundred seventy-six".