7730813198 has 4 divisors (see below), whose sum is σ = 11596219800. Its totient is φ = 3865406598.

The previous prime is 7730813159. The next prime is 7730813213. The reversal of 7730813198 is 8913180377.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1932703298 + ... + 1932703301.

It is an arithmetic number, because the mean of its divisors is an integer number (2899054950).

Almost surely, 2^7730813198 is an apocalyptic number.

7730813198 is a deficient number, since it is larger than the sum of its proper divisors (3865406602).

7730813198 is a wasteful number, since it uses less digits than its factorization.

7730813198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3865406601.

The product of its (nonzero) digits is 254016, while the sum is 47.

The square root of 7730813198 is about 87925.0430651018. The cubic root of 7730813198 is about 1977.3113524309.

The spelling of 7730813198 in words is "seven billion, seven hundred thirty million, eight hundred thirteen thousand, one hundred ninety-eight".