7728150667 has 16 divisors (see below), whose sum is σ = 7951507200. Its totient is φ = 7508931552.

The previous prime is 7728150629. The next prime is 7728150671. The reversal of 7728150667 is 7660518277.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 7728150667 - 2¹⁵ = 7728117899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7728150667.

It is not an unprimeable number, because it can be changed into a prime (7728159667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1270768 + ... + 1276834.

It is an arithmetic number, because the mean of its divisors is an integer number (496969200).

Almost surely, 2^7728150667 is an apocalyptic number.

7728150667 is a deficient number, since it is larger than the sum of its proper divisors (223356533).

7728150667 is a wasteful number, since it uses less digits than its factorization.

7728150667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6402.

The product of its (nonzero) digits is 987840, while the sum is 49.

The square root of 7728150667 is about 87909.9008474017. The cubic root of 7728150667 is about 1977.0843277034.

The spelling of 7728150667 in words is "seven billion, seven hundred twenty-eight million, one hundred fifty thousand, six hundred sixty-seven".