70707766707 has 6 divisors (see below), whose sum is σ = 102133440812. Its totient is φ = 47138511132.

The previous prime is 70707766699. The next prime is 70707766709. The reversal of 70707766707 is 70766770707.

It is not a de Polignac number, because 70707766707 - 2³ = 70707766699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70707766709) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3928209253 + ... + 3928209270.

Almost surely, 2^70707766707 is an apocalyptic number.

70707766707 is a deficient number, since it is larger than the sum of its proper divisors (31425674105).

70707766707 is a wasteful number, since it uses less digits than its factorization.

70707766707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7856418529 (or 7856418526 counting only the distinct ones).

The product of its (nonzero) digits is 4235364, while the sum is 54.

It can be divided in two parts, 7070 and 7766707, that added together give a palindrome (7773777).

The spelling of 70707766707 in words is "seventy billion, seven hundred seven million, seven hundred sixty-six thousand, seven hundred seven".