9779654882 has 16 divisors (see below), whose sum is σ = 15443503200. Its totient is φ = 4631885280.

The previous prime is 9779654879. The next prime is 9779654893. The reversal of 9779654882 is 2884569779.

It is a happy number.

It is a super-2 number, since 2×9779654882² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523157 + ... + 541527.

It is an arithmetic number, because the mean of its divisors is an integer number (965218950).

Almost surely, 2^9779654882 is an apocalyptic number.

9779654882 is a deficient number, since it is larger than the sum of its proper divisors (5663848318).

9779654882 is a wasteful number, since it uses less digits than its factorization.

9779654882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32401.

The product of its digits is 60963840, while the sum is 65.

The square root of 9779654882 is about 98892.1376146759. The cubic root of 9779654882 is about 2138.4930493378.

The spelling of 9779654882 in words is "nine billion, seven hundred seventy-nine million, six hundred fifty-four thousand, eight hundred eighty-two".