27072479929977 has 8 divisors (see below), whose sum is σ = 40107377674080. Its totient is φ = 18048319953300.

The previous prime is 27072479929951. The next prime is 27072479929997. The reversal of 27072479929977 is 77992997427072.

27072479929977 is a `hidden beast` number, since 2 + 7 + 0 + 72 + 479 + 9 + 2 + 9 + 9 + 77 = 666.

It is not a de Polignac number, because 27072479929977 - 2⁷ = 27072479929849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27072479929896 and 27072479929905.

It is not an unprimeable number, because it can be changed into a prime (27072479929997) 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, 501342220899 + ... + 501342220952.

It is an arithmetic number, because the mean of its divisors is an integer number (5013422209260).

Almost surely, 2^{27072479929977} is an apocalyptic number.

27072479929977 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

27072479929977 is a deficient number, since it is larger than the sum of its proper divisors (13034897744103).

27072479929977 is a wasteful number, since it uses less digits than its factorization.

27072479929977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002684441860 (or 1002684441854 counting only the distinct ones).

The product of its (nonzero) digits is 3528663264, while the sum is 81.

The spelling of 27072479929977 in words is "twenty-seven trillion, seventy-two billion, four hundred seventy-nine million, nine hundred twenty-nine thousand, nine hundred seventy-seven".