7897023707 has 4 divisors (see below), whose sum is σ = 8065045536. Its totient is φ = 7729001880.

The previous prime is 7897023679. The next prime is 7897023737. The reversal of 7897023707 is 7073207987.

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

It is a cyclic number.

It is not a de Polignac number, because 7897023707 - 2⁶ = 7897023643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7897023737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84010844 + ... + 84010937.

It is an arithmetic number, because the mean of its divisors is an integer number (2016261384).

Almost surely, 2^7897023707 is an apocalyptic number.

7897023707 is a deficient number, since it is larger than the sum of its proper divisors (168021829).

7897023707 is a wasteful number, since it uses less digits than its factorization.

7897023707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168021828.

The product of its (nonzero) digits is 1037232, while the sum is 50.

The square root of 7897023707 is about 88865.1996396790. The cubic root of 7897023707 is about 1991.3815568149.

The spelling of 7897023707 in words is "seven billion, eight hundred ninety-seven million, twenty-three thousand, seven hundred seven".