27791970952 has 16 divisors (see below), whose sum is σ = 53790912000. Its totient is φ = 13447727760.

The previous prime is 27791970937. The next prime is 27791970971. The reversal of 27791970952 is 25907919772.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56031952 + ... + 56032447.

It is an arithmetic number, because the mean of its divisors is an integer number (3361932000).

Almost surely, 2^27791970952 is an apocalyptic number.

It is an amenable number.

27791970952 is a deficient number, since it is larger than the sum of its proper divisors (25998941048).

27791970952 is a wasteful number, since it uses less digits than its factorization.

27791970952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112064436 (or 112064432 counting only the distinct ones).

The product of its (nonzero) digits is 5000940, while the sum is 58.

The spelling of 27791970952 in words is "twenty-seven billion, seven hundred ninety-one million, nine hundred seventy thousand, nine hundred fifty-two".