9977754228 has 48 divisors (see below), whose sum is σ = 25655399616. Its totient is φ = 2998679040.

The previous prime is 9977754211. The next prime is 9977754229. The reversal of 9977754228 is 8224577799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9977754229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 737013 + ... + 750428.

It is an arithmetic number, because the mean of its divisors is an integer number (534487492).

Almost surely, 2^9977754228 is an apocalyptic number.

It is an amenable number.

9977754228 is an abundant number, since it is smaller than the sum of its proper divisors (15677645388).

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

9977754228 is a wasteful number, since it uses less digits than its factorization.

9977754228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487504 (or 1487502 counting only the distinct ones).

The product of its digits is 17781120, while the sum is 60.

The square root of 9977754228 is about 99888.7092118023. The cubic root of 9977754228 is about 2152.8359351638.

The spelling of 9977754228 in words is "nine billion, nine hundred seventy-seven million, seven hundred fifty-four thousand, two hundred twenty-eight".