77554230311 has 8 divisors (see below), whose sum is σ = 81901169280. Its totient is φ = 73288542712.

The previous prime is 77554230307. The next prime is 77554230319. The reversal of 77554230311 is 11303245577.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 77554230311 - 2² = 77554230307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77554230319) 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 7 ways as a sum of consecutive naturals, for example, 20310881 + ... + 20314698.

It is an arithmetic number, because the mean of its divisors is an integer number (10237646160).

Almost surely, 2^77554230311 is an apocalyptic number.

77554230311 is a deficient number, since it is larger than the sum of its proper divisors (4346938969).

77554230311 is a wasteful number, since it uses less digits than its factorization.

77554230311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40625685.

The product of its (nonzero) digits is 88200, while the sum is 38.

Adding to 77554230311 its reverse (11303245577), we get a palindrome (88857475888).

The spelling of 77554230311 in words is "seventy-seven billion, five hundred fifty-four million, two hundred thirty thousand, three hundred eleven".