9121976484 has 48 divisors (see below), whose sum is σ = 23060778048. Its totient is φ = 2795240448.

The previous prime is 9121976447. The next prime is 9121976491. The reversal of 9121976484 is 4846791219.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511177 + ... + 528720.

It is an arithmetic number, because the mean of its divisors is an integer number (480432876).

Almost surely, 2^9121976484 is an apocalyptic number.

It is an amenable number.

9121976484 is an abundant number, since it is smaller than the sum of its proper divisors (13938801564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9121976484 is a wasteful number, since it uses less digits than its factorization.

9121976484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039964 (or 1039962 counting only the distinct ones).

The product of its digits is 870912, while the sum is 51.

The square root of 9121976484 is about 95509.0387555021. The cubic root of 9121976484 is about 2089.4387727141.

The spelling of 9121976484 in words is "nine billion, one hundred twenty-one million, nine hundred seventy-six thousand, four hundred eighty-four".