7897105341971 has 16 divisors (see below), whose sum is σ = 8042445051168. Its totient is φ = 7752281644800.

The previous prime is 7897105341953. The next prime is 7897105341991. The reversal of 7897105341971 is 1791435017987.

It is a cyclic number.

It is not a de Polignac number, because 7897105341971 - 2²² = 7897101147667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7897105341991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 474777071 + ... + 474793703.

It is an arithmetic number, because the mean of its divisors is an integer number (502652815698).

Almost surely, 2^{7897105341971} is an apocalyptic number.

7897105341971 is a deficient number, since it is larger than the sum of its proper divisors (145339709197).

7897105341971 is a wasteful number, since it uses less digits than its factorization.

7897105341971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31622.

The product of its (nonzero) digits is 13335840, while the sum is 62.

The spelling of 7897105341971 in words is "seven trillion, eight hundred ninety-seven billion, one hundred five million, three hundred forty-one thousand, nine hundred seventy-one".