73777013777 has 8 divisors (see below), whose sum is σ = 73865005632. Its totient is φ = 73689058800.

The previous prime is 73777013749. The next prime is 73777013789. The reversal of 73777013777 is 77731077737.

It is a happy number.

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 73777013777 - 2¹⁰ = 73777012753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73777013747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6622502 + ... + 6633632.

It is an arithmetic number, because the mean of its divisors is an integer number (9233125704).

Almost surely, 2^73777013777 is an apocalyptic number.

It is an amenable number.

73777013777 is a deficient number, since it is larger than the sum of its proper divisors (87991855).

73777013777 is a wasteful number, since it uses less digits than its factorization.

73777013777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18439.

The product of its (nonzero) digits is 7411887, while the sum is 56.

The spelling of 73777013777 in words is "seventy-three billion, seven hundred seventy-seven million, thirteen thousand, seven hundred seventy-seven".