7922457905 has 8 divisors (see below), whose sum is σ = 9508352832. Its totient is φ = 6337030768.

The previous prime is 7922457859. The next prime is 7922457923. The reversal of 7922457905 is 5097542297.

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 7922457905 - 2²⁴ = 7905680689 is a prime.

It is a Duffinian number.

It is a Curzon 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 in 7 ways as a sum of consecutive naturals, for example, 78539 + ... + 148368.

It is an arithmetic number, because the mean of its divisors is an integer number (1188544104).

Almost surely, 2^7922457905 is an apocalyptic number.

It is an amenable number.

7922457905 is a deficient number, since it is larger than the sum of its proper divisors (1585894927).

7922457905 is a wasteful number, since it uses less digits than its factorization.

7922457905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233895.

The product of its (nonzero) digits is 1587600, while the sum is 50.

The square root of 7922457905 is about 89008.1901006868. The cubic root of 7922457905 is about 1993.5171678985.

The spelling of 7922457905 in words is "seven billion, nine hundred twenty-two million, four hundred fifty-seven thousand, nine hundred five".