27828469624 has 32 divisors (see below), whose sum is σ = 54934074000. Its totient is φ = 13179635712.

The previous prime is 27828469621. The next prime is 27828469633. The reversal of 27828469624 is 42696482872.

It is a super-2 number, since 2×27828469624² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27828469621) 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, 1153752 + ... + 1177624.

Almost surely, 2^27828469624 is an apocalyptic number.

It is an amenable number.

27828469624 is a deficient number, since it is larger than the sum of its proper divisors (27105604376).

27828469624 is a wasteful number, since it uses less digits than its factorization.

27828469624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31567 (or 31563 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 58.

The spelling of 27828469624 in words is "twenty-seven billion, eight hundred twenty-eight million, four hundred sixty-nine thousand, six hundred twenty-four".