77132423177 has 4 divisors (see below), whose sum is σ = 77134337280. Its totient is φ = 77130509076.

The previous prime is 77132423143. The next prime is 77132423183.

77132423177 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 77132423177 - 2¹⁸ = 77132161033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77132423197) by changing a digit.

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, 895277 + ... + 977642.

It is an arithmetic number, because the mean of its divisors is an integer number (19283584320).

Almost surely, 2^77132423177 is an apocalyptic number.

It is an amenable number.

77132423177 is a deficient number, since it is larger than the sum of its proper divisors (1914103).

77132423177 is a wasteful number, since it uses less digits than its factorization.

77132423177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914102.

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

The spelling of 77132423177 in words is "seventy-seven billion, one hundred thirty-two million, four hundred twenty-three thousand, one hundred seventy-seven".