70870887770880 has 288 divisors, whose sum is σ = 236885881849344. Its totient is φ = 18023562805248.

The previous prime is 70870887770861. The next prime is 70870887770887. The reversal of 70870887770880 is 8807778807807.

It is a happy number.

70870887770880 is a nontrivial binomial coefficient, being equal to C(11905536, 2).

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

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28573287 + ... + 30954393.

It is an arithmetic number, because the mean of its divisors is an integer number (822520423088).

Almost surely, 2^{70870887770880} is an apocalyptic number.

70870887770880 is the 11905535-th triangular number and also the 5952768-th hexagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70870887770880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118442940924672).

70870887770880 is an abundant number, since it is smaller than the sum of its proper divisors (166014994078464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70870887770880 is a wasteful number, since it uses less digits than its factorization.

70870887770880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381491 (or 2381477 counting only the distinct ones).

The product of its (nonzero) digits is 550731776, while the sum is 75.

The spelling of 70870887770880 in words is "seventy trillion, eight hundred seventy billion, eight hundred eighty-seven million, seven hundred seventy thousand, eight hundred eighty".