8489774779848 has 24 divisors (see below), whose sum is σ = 22993140028950. Its totient is φ = 2829924926592.

The previous prime is 8489774779819. The next prime is 8489774779859.

8489774779848 is a `hidden beast` number, since 8 + 4 + 8 + 9 + 7 + 7 + 477 + 98 + 48 = 666.

8489774779848 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 7688209108644 + 801565671204 = 2772762^2 + 895302^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58956769233 + ... + 58956769376.

Almost surely, 2^{8489774779848} is an apocalyptic number.

It is an amenable number.

8489774779848 is an abundant number, since it is smaller than the sum of its proper divisors (14503365249102).

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

8489774779848 is a wasteful number, since it uses less digits than its factorization.

8489774779848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117913538621 (or 117913538614 counting only the distinct ones).

The product of its digits is 50982027264, while the sum is 90.

The spelling of 8489774779848 in words is "eight trillion, four hundred eighty-nine billion, seven hundred seventy-four million, seven hundred seventy-nine thousand, eight hundred forty-eight".