27385215016 has 32 divisors (see below), whose sum is σ = 51633108000. Its totient is φ = 13616600256.

The previous prime is 27385215007. The next prime is 27385215019. The reversal of 27385215016 is 61051258372.

It is a self number, because there is not a number n which added to its sum of digits gives 27385215016.

It is not an unprimeable number, because it can be changed into a prime (27385215019) 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, 1039090 + ... + 1065118.

It is an arithmetic number, because the mean of its divisors is an integer number (1613534625).

Almost surely, 2^27385215016 is an apocalyptic number.

It is an amenable number.

27385215016 is a deficient number, since it is larger than the sum of its proper divisors (24247892984).

27385215016 is a wasteful number, since it uses less digits than its factorization.

27385215016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26761 (or 26757 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 27385215016 in words is "twenty-seven billion, three hundred eighty-five million, two hundred fifteen thousand, sixteen".