77131201241282 has 8 divisors (see below), whose sum is σ = 116889552396876. Its totient is φ = 38168017108992.

The previous prime is 77131201241261. The next prime is 77131201241287. The reversal of 77131201241282 is 28214210213177.

It can be written as a sum of positive squares in 2 ways, for example, as 76666853033521 + 464348207761 = 8755961^2 + 681431^2 .

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

It is a super-3 number, since 3×77131201241282³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (77131201241287) by changing a digit.

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, 198791755583 + ... + 198791755970.

Almost surely, 2^{77131201241282} is an apocalyptic number.

77131201241282 is a deficient number, since it is larger than the sum of its proper divisors (39758351155594).

77131201241282 is a wasteful number, since it uses less digits than its factorization.

77131201241282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397583511652.

The product of its (nonzero) digits is 75264, while the sum is 41.

The spelling of 77131201241282 in words is "seventy-seven trillion, one hundred thirty-one billion, two hundred one million, two hundred forty-one thousand, two hundred eighty-two".