45777747321 has 8 divisors (see below), whose sum is σ = 67818884960. Its totient is φ = 30518498196.

The previous prime is 45777747313. The next prime is 45777747419. The reversal of 45777747321 is 12374777754.

45777747321 is a `hidden beast` number, since 4 + 577 + 7 + 7 + 47 + 3 + 21 = 666.

It is not a de Polignac number, because 45777747321 - 2³ = 45777747313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45777737321) 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 7 ways as a sum of consecutive naturals, for example, 847736035 + ... + 847736088.

It is an arithmetic number, because the mean of its divisors is an integer number (8477360620).

Almost surely, 2^45777747321 is an apocalyptic number.

It is an amenable number.

45777747321 is a deficient number, since it is larger than the sum of its proper divisors (22041137639).

45777747321 is a wasteful number, since it uses less digits than its factorization.

45777747321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695472132 (or 1695472126 counting only the distinct ones).

The product of its digits is 8067360, while the sum is 54.

The spelling of 45777747321 in words is "forty-five billion, seven hundred seventy-seven million, seven hundred forty-seven thousand, three hundred twenty-one".