27873432938 has 32 divisors (see below), whose sum is σ = 46510474752. Its totient is φ = 12441182400.

The previous prime is 27873432913. The next prime is 27873432941. The reversal of 27873432938 is 83923437872.

It is a Curzon 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, 1255220 + ... + 1277232.

It is an arithmetic number, because the mean of its divisors is an integer number (1453452336).

Almost surely, 2^27873432938 is an apocalyptic number.

27873432938 is a deficient number, since it is larger than the sum of its proper divisors (18637041814).

27873432938 is a wasteful number, since it uses less digits than its factorization.

27873432938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23630.

The product of its digits is 12192768, while the sum is 56.

The spelling of 27873432938 in words is "twenty-seven billion, eight hundred seventy-three million, four hundred thirty-two thousand, nine hundred thirty-eight".