77363836377 has 16 divisors (see below), whose sum is σ = 103464269568. Its totient is φ = 51419744640.

The previous prime is 77363836309. The next prime is 77363836379.

It is a happy number.

77363836377 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 77363836377 - 2¹² = 77363832281 is a prime.

It is a super-2 number, since 2×77363836377² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 77363836377.

It is not an unprimeable number, because it can be changed into a prime (77363836379) 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 15 ways as a sum of consecutive naturals, for example, 3730477 + ... + 3751157.

It is an arithmetic number, because the mean of its divisors is an integer number (6466516848).

Almost surely, 2^77363836377 is an apocalyptic number.

It is an amenable number.

77363836377 is a deficient number, since it is larger than the sum of its proper divisors (26100433191).

77363836377 is a wasteful number, since it uses less digits than its factorization.

77363836377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24400.

The product of its digits is 56010528, while the sum is 60.

The spelling of 77363836377 in words is "seventy-seven billion, three hundred sixty-three million, eight hundred thirty-six thousand, three hundred seventy-seven".