7730161873 has 4 divisors (see below), whose sum is σ = 8834470720. Its totient is φ = 6625853028.

The previous prime is 7730161871. The next prime is 7730161921. The reversal of 7730161873 is 3781610377.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3781610377 = 27281 ⋅138617.

It is a cyclic number.

It is not a de Polignac number, because 7730161873 - 2¹ = 7730161871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7730161871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552154413 + ... + 552154426.

It is an arithmetic number, because the mean of its divisors is an integer number (2208617680).

Almost surely, 2^7730161873 is an apocalyptic number.

It is an amenable number.

7730161873 is a deficient number, since it is larger than the sum of its proper divisors (1104308847).

7730161873 is a wasteful number, since it uses less digits than its factorization.

7730161873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104308846.

The product of its (nonzero) digits is 148176, while the sum is 43.

The square root of 7730161873 is about 87921.3391219674. The cubic root of 7730161873 is about 1977.2558210376.

The spelling of 7730161873 in words is "seven billion, seven hundred thirty million, one hundred sixty-one thousand, eight hundred seventy-three".