70563532878681 has 8 divisors (see below), whose sum is σ = 94084802040864. Its totient is φ = 47042309484480.

The previous prime is 70563532878677. The next prime is 70563532878767. The reversal of 70563532878681 is 18687823536507.

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

It is not a de Polignac number, because 70563532878681 - 2² = 70563532878677 is a prime.

It is a super-2 number, since 2×70563532878681² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (70563532878281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7666576 + ... + 14138721.

It is an arithmetic number, because the mean of its divisors is an integer number (11760600255108).

Almost surely, 2^{70563532878681} is an apocalyptic number.

It is an amenable number.

70563532878681 is a deficient number, since it is larger than the sum of its proper divisors (23521269162183).

70563532878681 is a wasteful number, since it uses less digits than its factorization.

70563532878681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22883991.

The product of its (nonzero) digits is 406425600, while the sum is 69.

The spelling of 70563532878681 in words is "seventy trillion, five hundred sixty-three billion, five hundred thirty-two million, eight hundred seventy-eight thousand, six hundred eighty-one".