7664173057 has 2 divisors, whose sum is σ = 7664173058. Its totient is φ = 7664173056.

The previous prime is 7664173037. The next prime is 7664173103. The reversal of 7664173057 is 7503714667.

It is an a-pointer prime, because the next prime (7664173103) can be obtained adding 7664173057 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4426107841 + 3238065216 = 66529^2 + 56904^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7664173057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7664172998 and 7664173016.

It is not a weakly prime, because it can be changed into another prime (7664173037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3832086528 + 3832086529.

It is an arithmetic number, because the mean of its divisors is an integer number (3832086529).

It is a Proth number, since it is equal to 58473 ⋅ 2¹⁷ + 1 and 58473 < 2¹⁷.

Almost surely, 2^7664173057 is an apocalyptic number.

It is an amenable number.

7664173057 is a deficient number, since it is larger than the sum of its proper divisors (1).

7664173057 is an equidigital number, since it uses as much as digits as its factorization.

7664173057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 740880, while the sum is 46.

The square root of 7664173057 is about 87545.2629043971. The cubic root of 7664173057 is about 1971.6134288582.

The spelling of 7664173057 in words is "seven billion, six hundred sixty-four million, one hundred seventy-three thousand, fifty-seven".