7897023705 has 32 divisors (see below), whose sum is σ = 12870569088. Its totient is φ = 4133606400.

The previous prime is 7897023679. The next prime is 7897023737. The reversal of 7897023705 is 5073207987.

7897023705 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7897023705 - 2⁷ = 7897023577 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 418065 + ... + 436545.

It is an arithmetic number, because the mean of its divisors is an integer number (402205284).

Almost surely, 2^7897023705 is an apocalyptic number.

It is an amenable number.

7897023705 is a deficient number, since it is larger than the sum of its proper divisors (4973545383).

7897023705 is a wasteful number, since it uses less digits than its factorization.

7897023705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19017.

The product of its (nonzero) digits is 740880, while the sum is 48.

The square root of 7897023705 is about 88865.1996284260. The cubic root of 7897023705 is about 1991.3815566468.

The spelling of 7897023705 in words is "seven billion, eight hundred ninety-seven million, twenty-three thousand, seven hundred five".