70070766771 has 16 divisors (see below), whose sum is σ = 97555643136. Its totient is φ = 44652612576.

The previous prime is 70070766743. The next prime is 70070766809. The reversal of 70070766771 is 17766707007.

It is not a de Polignac number, because 70070766771 - 2¹⁹ = 70070242483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70070766771.

It is not an unprimeable number, because it can be changed into a prime (70070766671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240060 + ... + 444713.

It is an arithmetic number, because the mean of its divisors is an integer number (6097227696).

Almost surely, 2^70070766771 is an apocalyptic number.

70070766771 is a deficient number, since it is larger than the sum of its proper divisors (27484876365).

70070766771 is a wasteful number, since it uses less digits than its factorization.

70070766771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686282.

The product of its (nonzero) digits is 605052, while the sum is 48.

The spelling of 70070766771 in words is "seventy billion, seventy million, seven hundred sixty-six thousand, seven hundred seventy-one".