77000430769 has 4 divisors (see below), whose sum is σ = 81053085040. Its totient is φ = 72947776500.

The previous prime is 77000430721. The next prime is 77000430797. The reversal of 77000430769 is 96703400077.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96703400077 = 353 ⋅273947309.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77000430769 is a prime.

It is a super-2 number, since 2×77000430769² (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 (77000430719) 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 3 ways as a sum of consecutive naturals, for example, 2026327107 + ... + 2026327144.

It is an arithmetic number, because the mean of its divisors is an integer number (20263271260).

Almost surely, 2^77000430769 is an apocalyptic number.

It is an amenable number.

77000430769 is a deficient number, since it is larger than the sum of its proper divisors (4052654271).

77000430769 is a wasteful number, since it uses less digits than its factorization.

77000430769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4052654270.

The product of its (nonzero) digits is 222264, while the sum is 43.

The spelling of 77000430769 in words is "seventy-seven billion, four hundred thirty thousand, seven hundred sixty-nine".