70827925808641 has 4 divisors (see below), whose sum is σ = 70835281506900. Its totient is φ = 70820570110384.

The previous prime is 70827925808603. The next prime is 70827925808681. The reversal of 70827925808641 is 14680852972807.

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 32342776559041 + 38485149249600 = 5687071^2 + 6203640^2 .

It is a cyclic number.

It is not a de Polignac number, because 70827925808641 - 2⁷ = 70827925808513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70827925808681) 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, 3677834686 + ... + 3677853943.

It is an arithmetic number, because the mean of its divisors is an integer number (17708820376725).

Almost surely, 2^{70827925808641} is an apocalyptic number.

It is an amenable number.

70827925808641 is a deficient number, since it is larger than the sum of its proper divisors (7355698259).

70827925808641 is an equidigital number, since it uses as much as digits as its factorization.

70827925808641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7355698258.

The product of its (nonzero) digits is 108380160, while the sum is 67.

The spelling of 70827925808641 in words is "seventy trillion, eight hundred twenty-seven billion, nine hundred twenty-five million, eight hundred eight thousand, six hundred forty-one".