7978275003211 has 8 divisors (see below), whose sum is σ = 8235894539264. Its totient is φ = 7720671456360.

The previous prime is 7978275003191. The next prime is 7978275003221. The reversal of 7978275003211 is 1123005728797.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7978275003211 - 2¹¹ = 7978275001163 is a prime.

It is a super-2 number, since 2×7978275003211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7978275003221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2979111 + ... + 4983136.

It is an arithmetic number, because the mean of its divisors is an integer number (1029486817408).

Almost surely, 2^{7978275003211} is an apocalyptic number.

7978275003211 is a deficient number, since it is larger than the sum of its proper divisors (257619536053).

7978275003211 is a wasteful number, since it uses less digits than its factorization.

7978275003211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7994601.

The product of its (nonzero) digits is 1481760, while the sum is 52.

The spelling of 7978275003211 in words is "seven trillion, nine hundred seventy-eight billion, two hundred seventy-five million, three thousand, two hundred eleven".