849179349576 has 24 divisors (see below), whose sum is σ = 2299860738630. Its totient is φ = 283059783168.

The previous prime is 849179349553. The next prime is 849179349593. The reversal of 849179349576 is 675943971948.

849179349576 is a `hidden beast` number, since 8 + 4 + 9 + 1 + 7 + 9 + 3 + 49 + 576 = 666.

It can be written as a sum of positive squares in only one way, i.e., 528200447076 + 320978902500 = 726774^2 + 566550^2 .

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

It is a super-2 number, since 2×849179349576² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72), and also a Moran number because the ratio is a prime number: 11794157633 = 849179349576 / (8 + 4 + 9 + 1 + 7 + 9 + 3 + 4 + 9 + 5 + 7 + 6).

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, 5897078745 + ... + 5897078888.

Almost surely, 2^849179349576 is an apocalyptic number.

It is an amenable number.

849179349576 is an abundant number, since it is smaller than the sum of its proper divisors (1450681389054).

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

849179349576 is a wasteful number, since it uses less digits than its factorization.

849179349576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11794157645 (or 11794157638 counting only the distinct ones).

The product of its digits is 411505920, while the sum is 72.

The spelling of 849179349576 in words is "eight hundred forty-nine billion, one hundred seventy-nine million, three hundred forty-nine thousand, five hundred seventy-six".