7897101017 has 4 divisors (see below), whose sum is σ = 8504570340. Its totient is φ = 7289631696.

The previous prime is 7897100989. The next prime is 7897101049. The reversal of 7897101017 is 7101017987.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1202424976 + 6694676041 = 34676^2 + 81821^2 .

It is a cyclic number.

It is not a de Polignac number, because 7897101017 - 2¹⁰ = 7897099993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7897101617) 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, 303734642 + ... + 303734667.

It is an arithmetic number, because the mean of its divisors is an integer number (2126142585).

Almost surely, 2^7897101017 is an apocalyptic number.

It is an amenable number.

7897101017 is a deficient number, since it is larger than the sum of its proper divisors (607469323).

7897101017 is a wasteful number, since it uses less digits than its factorization.

7897101017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607469322.

The product of its (nonzero) digits is 24696, while the sum is 41.

The square root of 7897101017 is about 88865.6346232896. The cubic root of 7897101017 is about 1991.3880551790.

The spelling of 7897101017 in words is "seven billion, eight hundred ninety-seven million, one hundred one thousand, seventeen".