27421927616 has 28 divisors (see below), whose sum is σ = 54572248488. Its totient is φ = 13671439872.

The previous prime is 27421927613. The next prime is 27421927627. The reversal of 27421927616 is 61672912472.

It is a super-2 number, since 2×27421927616² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (27421927613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 595181 + ... + 639596.

Almost surely, 2^27421927616 is an apocalyptic number.

It is an amenable number.

27421927616 is a deficient number, since it is larger than the sum of its proper divisors (27150320872).

27421927616 is a wasteful number, since it uses less digits than its factorization.

27421927616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235136 (or 1235126 counting only the distinct ones).

The product of its digits is 508032, while the sum is 47.

The spelling of 27421927616 in words is "twenty-seven billion, four hundred twenty-one million, nine hundred twenty-seven thousand, six hundred sixteen".