77831163082 has 8 divisors (see below), whose sum is σ = 116755092036. Its totient is φ = 38912799072.

The previous prime is 77831163079. The next prime is 77831163101. The reversal of 77831163082 is 28036113877.

It can be written as a sum of positive squares in 2 ways, for example, as 63857795401 + 13973367681 = 252701^2 + 118209^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1356093 + ... + 1412320.

Almost surely, 2^77831163082 is an apocalyptic number.

77831163082 is a deficient number, since it is larger than the sum of its proper divisors (38923928954).

77831163082 is a wasteful number, since it uses less digits than its factorization.

77831163082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782472.

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 77831163082 in words is "seventy-seven billion, eight hundred thirty-one million, one hundred sixty-three thousand, eighty-two".