70870722843 has 4 divisors (see below), whose sum is σ = 94494297128. Its totient is φ = 47247148560.

The previous prime is 70870722823. The next prime is 70870722847. The reversal of 70870722843 is 34822707807.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 70870722843 - 2⁹ = 70870722331 is a prime.

It is a super-3 number, since 3×70870722843³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70870722792 and 70870722801.

It is not an unprimeable number, because it can be changed into a prime (70870722847) 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, 11811787138 + ... + 11811787143.

It is an arithmetic number, because the mean of its divisors is an integer number (23623574282).

Almost surely, 2^70870722843 is an apocalyptic number.

70870722843 is a deficient number, since it is larger than the sum of its proper divisors (23623574285).

70870722843 is a wasteful number, since it uses less digits than its factorization.

70870722843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23623574284.

The product of its (nonzero) digits is 1053696, while the sum is 48.

The spelling of 70870722843 in words is "seventy billion, eight hundred seventy million, seven hundred twenty-two thousand, eight hundred forty-three".