77000334401 has 4 divisors (see below), whose sum is σ = 81052983600. Its totient is φ = 72947685204.

The previous prime is 77000334353. The next prime is 77000334409. The reversal of 77000334401 is 10443300077.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77000334401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (77000334409) 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, 2026324571 + ... + 2026324608.

It is an arithmetic number, because the mean of its divisors is an integer number (20263245900).

Almost surely, 2^77000334401 is an apocalyptic number.

It is an amenable number.

77000334401 is a deficient number, since it is larger than the sum of its proper divisors (4052649199).

77000334401 is a wasteful number, since it uses less digits than its factorization.

77000334401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4052649198.

The product of its (nonzero) digits is 7056, while the sum is 29.

Adding to 77000334401 its reverse (10443300077), we get a palindrome (87443634478).

The spelling of 77000334401 in words is "seventy-seven billion, three hundred thirty-four thousand, four hundred one".