77434106660 has 24 divisors (see below), whose sum is σ = 162619833600. Its totient is φ = 30972078944.

The previous prime is 77434106657. The next prime is 77434106663. The reversal of 77434106660 is 6660143477.

It is an interprime number because it is at equal distance from previous prime (77434106657) and next prime (77434106663).

It is not an unprimeable number, because it can be changed into a prime (77434106663) 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 7 ways as a sum of consecutive naturals, for example, 360791 + ... + 533889.

It is an arithmetic number, because the mean of its divisors is an integer number (6775826400).

Almost surely, 2^77434106660 is an apocalyptic number.

It is an amenable number.

77434106660 is an abundant number, since it is smaller than the sum of its proper divisors (85185726940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77434106660 is a wasteful number, since it uses less digits than its factorization.

77434106660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195475 (or 195473 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 77434106660 in words is "seventy-seven billion, four hundred thirty-four million, one hundred six thousand, six hundred sixty".