45777722171 has 4 divisors (see below), whose sum is σ = 46641452832. Its totient is φ = 44913991512.

The previous prime is 45777722161. The next prime is 45777722201. The reversal of 45777722171 is 17122777754.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45777722171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45777722101) 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, 431865251 + ... + 431865356.

It is an arithmetic number, because the mean of its divisors is an integer number (11660363208).

Almost surely, 2^45777722171 is an apocalyptic number.

45777722171 is a deficient number, since it is larger than the sum of its proper divisors (863730661).

45777722171 is an equidigital number, since it uses as much as digits as its factorization.

45777722171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863730660.

The product of its digits is 1344560, while the sum is 50.

The spelling of 45777722171 in words is "forty-five billion, seven hundred seventy-seven million, seven hundred twenty-two thousand, one hundred seventy-one".