77222465573 has 4 divisors (see below), whose sum is σ = 84242689728. Its totient is φ = 70202241420.

The previous prime is 77222465561. The next prime is 77222465627. The reversal of 77222465573 is 37556422277.

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 77222465573 - 2²² = 77218271269 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 (77222464573) 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 3 ways as a sum of consecutive naturals, for example, 3510112061 + ... + 3510112082.

It is an arithmetic number, because the mean of its divisors is an integer number (21060672432).

Almost surely, 2^77222465573 is an apocalyptic number.

It is an amenable number.

77222465573 is a deficient number, since it is larger than the sum of its proper divisors (7020224155).

77222465573 is a wasteful number, since it uses less digits than its factorization.

77222465573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7020224154.

The product of its digits is 4939200, while the sum is 50.

The spelling of 77222465573 in words is "seventy-seven billion, two hundred twenty-two million, four hundred sixty-five thousand, five hundred seventy-three".