327720898720875 has 32 divisors (see below), whose sum is σ = 594902809612800. Its totient is φ = 158894981196000.

The previous prime is 327720898720871. The next prime is 327720898720967. The reversal of 327720898720875 is 578027898027723.

It is not a de Polignac number, because 327720898720875 - 2² = 327720898720871 is a prime.

It is a super-2 number, since 2×327720898720875² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (75).

It is a junction number, because it is equal to n+sod(n) for n = 327720898720797 and 327720898720806.

It is not an unprimeable number, because it can be changed into a prime (327720898720871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39723741175 + ... + 39723749424.

It is an arithmetic number, because the mean of its divisors is an integer number (18590712800400).

Almost surely, 2^{327720898720875} is an apocalyptic number.

327720898720875 is a deficient number, since it is larger than the sum of its proper divisors (267181910891925).

327720898720875 is a wasteful number, since it uses less digits than its factorization.

327720898720875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79447490628 (or 79447490618 counting only the distinct ones).

The product of its (nonzero) digits is 1327656960, while the sum is 75.

The spelling of 327720898720875 in words is "three hundred twenty-seven trillion, seven hundred twenty billion, eight hundred ninety-eight million, seven hundred twenty thousand, eight hundred seventy-five".