77072065132682 has 8 divisors (see below), whose sum is σ = 115821791042052. Its totient is φ = 38464801452000.

The previous prime is 77072065132663. The next prime is 77072065132717. The reversal of 77072065132682 is 28623156027077.

It can be written as a sum of positive squares in 2 ways, for example, as 75063527094241 + 2008538038441 = 8663921^2 + 1417229^2 .

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35615555819 + ... + 35615557982.

Almost surely, 2^{77072065132682} is an apocalyptic number.

77072065132682 is a deficient number, since it is larger than the sum of its proper divisors (38749725909370).

77072065132682 is a wasteful number, since it uses less digits than its factorization.

77072065132682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71231114344.

The product of its (nonzero) digits is 11854080, while the sum is 56.

The spelling of 77072065132682 in words is "seventy-seven trillion, seventy-two billion, sixty-five million, one hundred thirty-two thousand, six hundred eighty-two".