328012272657 has 32 divisors (see below), whose sum is σ = 507185602560. Its totient is φ = 209120432400.

The previous prime is 328012272629. The next prime is 328012272671. The reversal of 328012272657 is 756272210823.

328012272657 is a `hidden beast` number, since 328 + 0 + 1 + 2 + 272 + 6 + 57 = 666.

It is not a de Polignac number, because 328012272657 - 2¹² = 328012268561 is a prime.

It is a super-2 number, since 2×328012272657² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (328012272677) 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, 2831488 + ... + 2945054.

It is an arithmetic number, because the mean of its divisors is an integer number (15849550080).

Almost surely, 2^328012272657 is an apocalyptic number.

It is an amenable number.

328012272657 is a deficient number, since it is larger than the sum of its proper divisors (179173329903).

328012272657 is a wasteful number, since it uses less digits than its factorization.

328012272657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118250 (or 118244 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 328012272657 in words is "three hundred twenty-eight billion, twelve million, two hundred seventy-two thousand, six hundred fifty-seven".