77233545477317 has 4 divisors (see below), whose sum is σ = 77233721367360. Its totient is φ = 77233369587276.

The previous prime is 77233545477301. The next prime is 77233545477323. The reversal of 77233545477317 is 71377454533277.

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 not a de Polignac number, because 77233545477317 - 2⁴ = 77233545477301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77233545477367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87284717 + ... + 88165122.

It is an arithmetic number, because the mean of its divisors is an integer number (19308430341840).

Almost surely, 2^{77233545477317} is an apocalyptic number.

It is an amenable number.

77233545477317 is a deficient number, since it is larger than the sum of its proper divisors (175890043).

77233545477317 is a wasteful number, since it uses less digits than its factorization.

77233545477317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175890042.

The product of its digits is 363031200, while the sum is 65.

The spelling of 77233545477317 in words is "seventy-seven trillion, two hundred thirty-three billion, five hundred forty-five million, four hundred seventy-seven thousand, three hundred seventeen".