77832144706 has 8 divisors (see below), whose sum is σ = 117179023104. Its totient is φ = 38772470340.

The previous prime is 77832144671. The next prime is 77832144727. The reversal of 77832144706 is 60744123877.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 77832144706.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71800330 + ... + 71801413.

It is an arithmetic number, because the mean of its divisors is an integer number (14647377888).

Almost surely, 2^77832144706 is an apocalyptic number.

77832144706 is a deficient number, since it is larger than the sum of its proper divisors (39346878398).

77832144706 is a wasteful number, since it uses less digits than its factorization.

77832144706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143602016.

The product of its (nonzero) digits is 1580544, while the sum is 49.

The spelling of 77832144706 in words is "seventy-seven billion, eight hundred thirty-two million, one hundred forty-four thousand, seven hundred six".