70831671085 has 8 divisors (see below), whose sum is σ = 97140577536. Its totient is φ = 48570288720.

The previous prime is 70831671083. The next prime is 70831671101. The reversal of 70831671085 is 58017613807.

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

It is not a de Polignac number, because 70831671085 - 2¹ = 70831671083 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 (70831671083) 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, 1011880981 + ... + 1011881050.

It is an arithmetic number, because the mean of its divisors is an integer number (12142572192).

Almost surely, 2^70831671085 is an apocalyptic number.

It is an amenable number.

70831671085 is a deficient number, since it is larger than the sum of its proper divisors (26308906451).

70831671085 is a wasteful number, since it uses less digits than its factorization.

70831671085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023762043.

The product of its (nonzero) digits is 282240, while the sum is 46.

The spelling of 70831671085 in words is "seventy billion, eight hundred thirty-one million, six hundred seventy-one thousand, eighty-five".