77345407369 has 8 divisors (see below), whose sum is σ = 78219768960. Its totient is φ = 76471164000.

The previous prime is 77345407351. The next prime is 77345407379. The reversal of 77345407369 is 96370454377.

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 77345407369 - 2⁷ = 77345407241 is a prime.

It is a super-2 number, since 2×77345407369² (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 (77345407379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2490004 + ... + 2520874.

It is an arithmetic number, because the mean of its divisors is an integer number (9777471120).

Almost surely, 2^77345407369 is an apocalyptic number.

It is an amenable number.

77345407369 is a deficient number, since it is larger than the sum of its proper divisors (874361591).

77345407369 is a wasteful number, since it uses less digits than its factorization.

77345407369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59111.

The product of its (nonzero) digits is 13335840, while the sum is 55.

The spelling of 77345407369 in words is "seventy-seven billion, three hundred forty-five million, four hundred seven thousand, three hundred sixty-nine".