7904612609 has 8 divisors (see below), whose sum is σ = 8111065728. Its totient is φ = 7699754160.

The previous prime is 7904612603. The next prime is 7904612629. The reversal of 7904612609 is 9062164097.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7904612609 - 2¹⁶ = 7904547073 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 7904612609.

It is not an unprimeable number, because it can be changed into a prime (7904612603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388622 + ... + 408455.

It is an arithmetic number, because the mean of its divisors is an integer number (1013883216).

Almost surely, 2^7904612609 is an apocalyptic number.

It is an amenable number.

7904612609 is a deficient number, since it is larger than the sum of its proper divisors (206453119).

7904612609 is a wasteful number, since it uses less digits than its factorization.

7904612609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797335.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 7904612609 is about 88907.8883395619. Note that the first 3 decimals coincide. The cubic root of 7904612609 is about 1992.0192468994.

The spelling of 7904612609 in words is "seven billion, nine hundred four million, six hundred twelve thousand, six hundred nine".