328170778753 has 2 divisors, whose sum is σ = 328170778754. Its totient is φ = 328170778752.

The previous prime is 328170778673. The next prime is 328170778757. The reversal of 328170778753 is 357877071823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 305270615169 + 22900163584 = 552513^2 + 151328^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328170778753 is a prime.

It is not a weakly prime, because it can be changed into another prime (328170778757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164085389376 + 164085389377.

It is an arithmetic number, because the mean of its divisors is an integer number (164085389377).

Almost surely, 2^328170778753 is an apocalyptic number.

It is an amenable number.

328170778753 is a deficient number, since it is larger than the sum of its proper divisors (1).

328170778753 is an equidigital number, since it uses as much as digits as its factorization.

328170778753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13829760, while the sum is 58.

The spelling of 328170778753 in words is "three hundred twenty-eight billion, one hundred seventy million, seven hundred seventy-eight thousand, seven hundred fifty-three".