77311211377 has 8 divisors (see below), whose sum is σ = 79136006400. Its totient is φ = 75493911264.

The previous prime is 77311211323. The next prime is 77311211399.

77311211377 is nontrivially palindromic in base 10.

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 77311211377 - 2⁷ = 77311211249 is a prime.

It is a super-2 number, since 2×77311211377² (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 (77312211377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1852852 + ... + 1894117.

It is an arithmetic number, because the mean of its divisors is an integer number (9892000800).

Almost surely, 2^77311211377 is an apocalyptic number.

It is an amenable number.

77311211377 is a deficient number, since it is larger than the sum of its proper divisors (1824795023).

77311211377 is a wasteful number, since it uses less digits than its factorization.

77311211377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3747455.

The product of its digits is 43218, while the sum is 40.

The spelling of 77311211377 in words is "seventy-seven billion, three hundred eleven million, two hundred eleven thousand, three hundred seventy-seven".