7970938008211 has 4 divisors (see below), whose sum is σ = 7972895031192. Its totient is φ = 7968980985232.

The previous prime is 7970938008169. The next prime is 7970938008247. The reversal of 7970938008211 is 1128008390797.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7970938008211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7970938008911) 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, 978505381 + ... + 978513526.

It is an arithmetic number, because the mean of its divisors is an integer number (1993223757798).

Almost surely, 2^{7970938008211} is an apocalyptic number.

7970938008211 is a deficient number, since it is larger than the sum of its proper divisors (1957022981).

7970938008211 is a wasteful number, since it uses less digits than its factorization.

7970938008211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957022980.

The product of its (nonzero) digits is 1524096, while the sum is 55.

The spelling of 7970938008211 in words is "seven trillion, nine hundred seventy billion, nine hundred thirty-eight million, eight thousand, two hundred eleven".