8977991746 has 8 divisors (see below), whose sum is σ = 13517051580. Its totient is φ = 4472307888.

The previous prime is 8977991719. The next prime is 8977991779. The reversal of 8977991746 is 6471997798.

It can be written as a sum of positive squares in 2 ways, for example, as 8110983721 + 867008025 = 90061^2 + 29445^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 8343321 + ... + 8344396.

Almost surely, 2^8977991746 is an apocalyptic number.

8977991746 is a deficient number, since it is larger than the sum of its proper divisors (4539059834).

8977991746 is a wasteful number, since it uses less digits than its factorization.

8977991746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16687988.

The product of its digits is 48009024, while the sum is 67.

The square root of 8977991746 is about 94752.2651233204. The cubic root of 8977991746 is about 2078.3869201145.

The spelling of 8977991746 in words is "eight billion, nine hundred seventy-seven million, nine hundred ninety-one thousand, seven hundred forty-six".