9777879552 has 80 divisors (see below), whose sum is σ = 29770183872. Its totient is φ = 2793676800.

The previous prime is 9777879473. The next prime is 9777879571. The reversal of 9777879552 is 2559787779.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443949 + ... + 465452.

Almost surely, 2^9777879552 is an apocalyptic number.

It is an amenable number.

9777879552 is an abundant number, since it is smaller than the sum of its proper divisors (19992304320).

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

9777879552 is an equidigital number, since it uses as much as digits as its factorization.

9777879552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909429 (or 909413 counting only the distinct ones).

The product of its digits is 77792400, while the sum is 66.

The square root of 9777879552 is about 98883.1611145194. The cubic root of 9777879552 is about 2138.3636391604.

The spelling of 9777879552 in words is "nine billion, seven hundred seventy-seven million, eight hundred seventy-nine thousand, five hundred fifty-two".