70777010071 has 4 divisors (see below), whose sum is σ = 71245732144. Its totient is φ = 70308288000.

The previous prime is 70777010053. The next prime is 70777010081. The reversal of 70777010071 is 17001077707.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17001077707 = 991 ⋅17155477.

It is a cyclic number.

It is not a de Polignac number, because 70777010071 - 2⁵ = 70777010039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70777010071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70777010021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234360810 + ... + 234361111.

It is an arithmetic number, because the mean of its divisors is an integer number (17811433036).

Almost surely, 2^70777010071 is an apocalyptic number.

70777010071 is a deficient number, since it is larger than the sum of its proper divisors (468722073).

70777010071 is a wasteful number, since it uses less digits than its factorization.

70777010071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468722072.

The product of its (nonzero) digits is 16807, while the sum is 37.

Adding to 70777010071 its reverse (17001077707), we get a palindrome (87778087778).

The spelling of 70777010071 in words is "seventy billion, seven hundred seventy-seven million, ten thousand, seventy-one".