70870887770881 has 8 divisors (see below), whose sum is σ = 79403255095104. Its totient is φ = 62686780337520.

The previous prime is 70870887770861. The next prime is 70870887770887. The reversal of 70870887770881 is 18807778807807.

It is a happy number.

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 70870887770881 - 2³⁹ = 70321131956993 is a prime.

It is a super-2 number, since 2×70870887770881² (a number of 29 digits) contains 22 as substring.

It is a pancake number, because a pancake can be divided into 70870887770881 parts by 11905535 straight cuts.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70870887770798 and 70870887770807.

It is not an unprimeable number, because it can be changed into a prime (70870887770887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87064972285 + ... + 87064973098.

It is an arithmetic number, because the mean of its divisors is an integer number (9925406886888).

Almost surely, 2^{70870887770881} is an apocalyptic number.

It is an amenable number.

70870887770881 is a deficient number, since it is larger than the sum of its proper divisors (8532367324223).

70870887770881 is a wasteful number, since it uses less digits than its factorization.

70870887770881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174129945431.

The product of its (nonzero) digits is 550731776, while the sum is 76.

The spelling of 70870887770881 in words is "seventy trillion, eight hundred seventy billion, eight hundred eighty-seven million, seven hundred seventy thousand, eight hundred eighty-one".