70985270861 has 8 divisors (see below), whose sum is σ = 72074882880. Its totient is φ = 69903359712.

The previous prime is 70985270843. The next prime is 70985270887. The reversal of 70985270861 is 16807258907.

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 70985270861 - 2¹⁰ = 70985269837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70985270761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1906640 + ... + 1943513.

It is an arithmetic number, because the mean of its divisors is an integer number (9009360360).

Almost surely, 2^70985270861 is an apocalyptic number.

It is an amenable number.

70985270861 is a deficient number, since it is larger than the sum of its proper divisors (1089612019).

70985270861 is a wasteful number, since it uses less digits than its factorization.

70985270861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3850435.

The product of its (nonzero) digits is 1693440, while the sum is 53.

The spelling of 70985270861 in words is "seventy billion, nine hundred eighty-five million, two hundred seventy thousand, eight hundred sixty-one".