27958869496 has 64 divisors (see below), whose sum is σ = 55601280000. Its totient is φ = 13161415680.

The previous prime is 27958869469. The next prime is 27958869509. The reversal of 27958869496 is 69496885972.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1409455 + ... + 1429153.

It is an arithmetic number, because the mean of its divisors is an integer number (868770000).

Almost surely, 2^27958869496 is an apocalyptic number.

It is an amenable number.

27958869496 is a deficient number, since it is larger than the sum of its proper divisors (27642410504).

27958869496 is a wasteful number, since it uses less digits than its factorization.

27958869496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19892 (or 19888 counting only the distinct ones).

The product of its digits is 470292480, while the sum is 73.

The spelling of 27958869496 in words is "twenty-seven billion, nine hundred fifty-eight million, eight hundred sixty-nine thousand, four hundred ninety-six".