77345054377 has 8 divisors (see below), whose sum is σ = 82221041952. Its totient is φ = 72505320000.

The previous prime is 77345054323. The next prime is 77345054387.

77345054377 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 77345054377 - 2¹¹ = 77345052329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77345054387) 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, 9058899 + ... + 9067432.

It is an arithmetic number, because the mean of its divisors is an integer number (10277630244).

Almost surely, 2^77345054377 is an apocalyptic number.

It is an amenable number.

77345054377 is a deficient number, since it is larger than the sum of its proper divisors (4875987575).

77345054377 is a wasteful number, since it uses less digits than its factorization.

77345054377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18126599.

The product of its (nonzero) digits is 8643600, while the sum is 52.

The spelling of 77345054377 in words is "seventy-seven billion, three hundred forty-five million, fifty-four thousand, three hundred seventy-seven".