70271927864 has 8 divisors (see below), whose sum is σ = 131759864760. Its totient is φ = 35135963928.

The previous prime is 70271927857. The next prime is 70271927893. The reversal of 70271927864 is 46872917207.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4391995484 + ... + 4391995499.

It is an arithmetic number, because the mean of its divisors is an integer number (16469983095).

Almost surely, 2^70271927864 is an apocalyptic number.

It is an amenable number.

70271927864 is a deficient number, since it is larger than the sum of its proper divisors (61487936896).

70271927864 is a wasteful number, since it uses less digits than its factorization.

70271927864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8783990989 (or 8783990985 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 53.

The spelling of 70271927864 in words is "seventy billion, two hundred seventy-one million, nine hundred twenty-seven thousand, eight hundred sixty-four".