45778771853 has 4 divisors (see below), whose sum is σ = 45795176928. Its totient is φ = 45762366780.

The previous prime is 45778771849. The next prime is 45778771879. The reversal of 45778771853 is 35817787754.

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 45778771853 - 2² = 45778771849 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 (45778771813) 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, 8198351 + ... + 8203932.

It is an arithmetic number, because the mean of its divisors is an integer number (11448794232).

Almost surely, 2^45778771853 is an apocalyptic number.

It is an amenable number.

45778771853 is a deficient number, since it is larger than the sum of its proper divisors (16405075).

45778771853 is a wasteful number, since it uses less digits than its factorization.

45778771853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16405074.

The product of its digits is 46099200, while the sum is 62.

The spelling of 45778771853 in words is "forty-five billion, seven hundred seventy-eight million, seven hundred seventy-one thousand, eight hundred fifty-three".