45348020777 has 4 divisors (see below), whose sum is σ = 46024856976. Its totient is φ = 44671184580.

The previous prime is 45348020743. The next prime is 45348020779. The reversal of 45348020777 is 77702084354.

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, and also an emirpimes, since its reverse is a distinct semiprime: 77702084354 = 2 ⋅38851042177.

It is a cyclic number.

It is not a de Polignac number, because 45348020777 - 2⁶ = 45348020713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45348020779) 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 3 ways as a sum of consecutive naturals, for example, 338417999 + ... + 338418132.

It is an arithmetic number, because the mean of its divisors is an integer number (11506214244).

Almost surely, 2^45348020777 is an apocalyptic number.

It is an amenable number.

45348020777 is a deficient number, since it is larger than the sum of its proper divisors (676836199).

45348020777 is an equidigital number, since it uses as much as digits as its factorization.

45348020777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676836198.

The product of its (nonzero) digits is 1317120, while the sum is 47.

The spelling of 45348020777 in words is "forty-five billion, three hundred forty-eight million, twenty thousand, seven hundred seventy-seven".