70707770707 has 16 divisors (see below), whose sum is σ = 81173376000. Its totient is φ = 60333456960.

The previous prime is 70707770689. The next prime is 70707770717.

70707770707 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-70707770707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70707770717) 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, 7773232 + ... + 7782322.

It is an arithmetic number, because the mean of its divisors is an integer number (5073336000).

Almost surely, 2^70707770707 is an apocalyptic number.

70707770707 is a deficient number, since it is larger than the sum of its proper divisors (10465605293).

70707770707 is a wasteful number, since it uses less digits than its factorization.

70707770707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13986.

The product of its (nonzero) digits is 823543, while the sum is 49.

It can be divided in two parts, 7070 and 7770707, that added together give a palindrome (7777777).

The spelling of 70707770707 in words is "seventy billion, seven hundred seven million, seven hundred seventy thousand, seven hundred seven".