8977981579 has 8 divisors (see below), whose sum is σ = 10591536128. Its totient is φ = 7447173480.

The previous prime is 8977981543. The next prime is 8977981583. The reversal of 8977981579 is 9751897798.

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

It is a cyclic number.

It is not a de Polignac number, because 8977981579 - 2¹⁷ = 8977850507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8977981079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20686377 + ... + 20686810.

It is an arithmetic number, because the mean of its divisors is an integer number (1323942016).

Almost surely, 2^8977981579 is an apocalyptic number.

8977981579 is a deficient number, since it is larger than the sum of its proper divisors (1613554549).

8977981579 is a wasteful number, since it uses less digits than its factorization.

8977981579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41373225.

The product of its digits is 80015040, while the sum is 70.

The square root of 8977981579 is about 94752.2114728728. The cubic root of 8977981579 is about 2078.3861355676.

The spelling of 8977981579 in words is "eight billion, nine hundred seventy-seven million, nine hundred eighty-one thousand, five hundred seventy-nine".