70007700077 has 24 divisors (see below), whose sum is σ = 81896633280. Its totient is φ = 59669265600.

The previous prime is 70007700073. The next prime is 70007700083. The reversal of 70007700077 is 77000770007.

It is not a de Polignac number, because 70007700077 - 2² = 70007700073 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70007700071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6598577 + ... + 6609177.

It is an arithmetic number, because the mean of its divisors is an integer number (3412359720).

Almost surely, 2^70007700077 is an apocalyptic number.

It is an amenable number.

70007700077 is a deficient number, since it is larger than the sum of its proper divisors (11888933203).

70007700077 is a wasteful number, since it uses less digits than its factorization.

70007700077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11361 (or 11354 counting only the distinct ones).

The product of its (nonzero) digits is 16807, while the sum is 35.

It can be divided in two parts, 7000 and 7700077, that added together give a palindrome (7707077).

The spelling of 70007700077 in words is "seventy billion, seven million, seven hundred thousand, seventy-seven".