77314041377 has 4 divisors (see below), whose sum is σ = 77314725780. Its totient is φ = 77313356976.

The previous prime is 77314041373. The next prime is 77314041443.

77314041377 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 45515662336 + 31798379041 = 213344^2 + 178321^2 .

It is a cyclic number.

It is not a de Polignac number, because 77314041377 - 2² = 77314041373 is a prime.

It is a super-2 number, since 2×77314041377² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77314041373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128102 + ... + 413567.

It is an arithmetic number, because the mean of its divisors is an integer number (19328681445).

Almost surely, 2^77314041377 is an apocalyptic number.

It is an amenable number.

77314041377 is a deficient number, since it is larger than the sum of its proper divisors (684403).

77314041377 is a wasteful number, since it uses less digits than its factorization.

77314041377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684402.

The product of its (nonzero) digits is 345744, while the sum is 44.

The spelling of 77314041377 in words is "seventy-seven billion, three hundred fourteen million, forty-one thousand, three hundred seventy-seven".