27842424872 has 8 divisors (see below), whose sum is σ = 52204546650. Its totient is φ = 13921212432.

The previous prime is 27842424833. The next prime is 27842424887.

27842424872 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 15571545796 + 12270879076 = 124786^2 + 110774^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 27842424872.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1740151547 + ... + 1740151562.

Almost surely, 2^27842424872 is an apocalyptic number.

It is an amenable number.

27842424872 is a deficient number, since it is larger than the sum of its proper divisors (24362121778).

27842424872 is a wasteful number, since it uses less digits than its factorization.

27842424872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480303115 (or 3480303111 counting only the distinct ones).

The product of its digits is 3211264, while the sum is 50.

The spelling of 27842424872 in words is "twenty-seven billion, eight hundred forty-two million, four hundred twenty-four thousand, eight hundred seventy-two".