77383238377 has 8 divisors (see below), whose sum is σ = 79138650240. Its totient is φ = 75647223600.

The previous prime is 77383238363. The next prime is 77383238393.

77383238377 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 77383238377 - 2⁷ = 77383238249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77383230377) 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, 4841203 + ... + 4857160.

It is an arithmetic number, because the mean of its divisors is an integer number (9892331280).

Almost surely, 2^77383238377 is an apocalyptic number.

It is an amenable number.

77383238377 is a deficient number, since it is larger than the sum of its proper divisors (1755411863).

77383238377 is a wasteful number, since it uses less digits than its factorization.

77383238377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9698543.

The product of its digits is 24893568, while the sum is 58.

The spelling of 77383238377 in words is "seventy-seven billion, three hundred eighty-three million, two hundred thirty-eight thousand, three hundred seventy-seven".