8979553747 has 4 divisors (see below), whose sum is σ = 8980957336. Its totient is φ = 8978150160.

The previous prime is 8979553721. The next prime is 8979553757. The reversal of 8979553747 is 7473559798.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8979553747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8979553757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692154 + ... + 705007.

It is an arithmetic number, because the mean of its divisors is an integer number (2245239334).

Almost surely, 2^8979553747 is an apocalyptic number.

8979553747 is a deficient number, since it is larger than the sum of its proper divisors (1403589).

8979553747 is a wasteful number, since it uses less digits than its factorization.

8979553747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403588.

The product of its digits is 66679200, while the sum is 64.

The square root of 8979553747 is about 94760.5073171308. The cubic root of 8979553747 is about 2078.5074464818.

The spelling of 8979553747 in words is "eight billion, nine hundred seventy-nine million, five hundred fifty-three thousand, seven hundred forty-seven".