8994777636 has 48 divisors (see below), whose sum is σ = 22911910784. Its totient is φ = 2729707776.

The previous prime is 8994777619. The next prime is 8994777643. The reversal of 8994777636 is 6367774998.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383536 + ... + 406311.

Almost surely, 2^8994777636 is an apocalyptic number.

It is an amenable number.

8994777636 is an abundant number, since it is smaller than the sum of its proper divisors (13917133148).

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

8994777636 is a wasteful number, since it uses less digits than its factorization.

8994777636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789940 (or 789938 counting only the distinct ones).

The product of its digits is 96018048, while the sum is 66.

The square root of 8994777636 is about 94840.8015360478. The cubic root of 8994777636 is about 2079.6814135454.

The spelling of 8994777636 in words is "eight billion, nine hundred ninety-four million, seven hundred seventy-seven thousand, six hundred thirty-six".