77607070071 has 16 divisors (see below), whose sum is σ = 105310022400. Its totient is φ = 50822417408.

The previous prime is 77607070067. The next prime is 77607070081. The reversal of 77607070071 is 17007070677.

It is a cyclic number.

It is not a de Polignac number, because 77607070071 - 2² = 77607070067 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77607070061) 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, 67255 + ... + 399671.

It is an arithmetic number, because the mean of its divisors is an integer number (6581876400).

Almost surely, 2^77607070071 is an apocalyptic number.

77607070071 is a deficient number, since it is larger than the sum of its proper divisors (27702952329).

77607070071 is a wasteful number, since it uses less digits than its factorization.

77607070071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333798.

The product of its (nonzero) digits is 100842, while the sum is 42.

The spelling of 77607070071 in words is "seventy-seven billion, six hundred seven million, seventy thousand, seventy-one".