77071615106 has 32 divisors (see below), whose sum is σ = 127919658240. Its totient is φ = 34671764736.

The previous prime is 77071615091. The next prime is 77071615109. The reversal of 77071615106 is 60151617077.

It is not an unprimeable number, because it can be changed into a prime (77071615109) 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, 492101 + ... + 629528.

It is an arithmetic number, because the mean of its divisors is an integer number (3997489320).

Almost surely, 2^77071615106 is an apocalyptic number.

77071615106 is a deficient number, since it is larger than the sum of its proper divisors (50848043134).

77071615106 is a wasteful number, since it uses less digits than its factorization.

77071615106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121738.

The product of its (nonzero) digits is 61740, while the sum is 41.

The spelling of 77071615106 in words is "seventy-seven billion, seventy-one million, six hundred fifteen thousand, one hundred six".