70531128886 has 8 divisors (see below), whose sum is σ = 109209489984. Its totient is φ = 34127965560.

The previous prime is 70531128779. The next prime is 70531128947. The reversal of 70531128886 is 68882113507.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568799365 + ... + 568799488.

It is an arithmetic number, because the mean of its divisors is an integer number (13651186248).

Almost surely, 2^70531128886 is an apocalyptic number.

70531128886 is a deficient number, since it is larger than the sum of its proper divisors (38678361098).

70531128886 is a wasteful number, since it uses less digits than its factorization.

70531128886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137598886.

The product of its (nonzero) digits is 645120, while the sum is 49.

The spelling of 70531128886 in words is "seventy billion, five hundred thirty-one million, one hundred twenty-eight thousand, eight hundred eighty-six".