77647310311 has 8 divisors (see below), whose sum is σ = 80728452000. Its totient is φ = 74593078560.

The previous prime is 77647310281. The next prime is 77647310327. The reversal of 77647310311 is 11301374677.

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 77647310311 - 2⁷ = 77647310183 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 (77647310341) 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 7 ways as a sum of consecutive naturals, for example, 6721600 + ... + 6733141.

It is an arithmetic number, because the mean of its divisors is an integer number (10091056500).

Almost surely, 2^77647310311 is an apocalyptic number.

77647310311 is a deficient number, since it is larger than the sum of its proper divisors (3081141689).

77647310311 is a wasteful number, since it uses less digits than its factorization.

77647310311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13454969.

The product of its (nonzero) digits is 74088, while the sum is 40.

Adding to 77647310311 its reverse (11301374677), we get a palindrome (88948684988).

The spelling of 77647310311 in words is "seventy-seven billion, six hundred forty-seven million, three hundred ten thousand, three hundred eleven".