53786213777 has 4 divisors (see below), whose sum is σ = 54523011300. Its totient is φ = 53049416256.

The previous prime is 53786213773. The next prime is 53786213791. The reversal of 53786213777 is 77731268735.

53786213777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77731268735 = 5 ⋅15546253747.

It can be written as a sum of positive squares in 2 ways, for example, as 20702605456 + 33083608321 = 143884^2 + 181889^2 .

It is a cyclic number.

It is not a de Polignac number, because 53786213777 - 2² = 53786213773 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53786213773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368398652 + ... + 368398797.

It is an arithmetic number, because the mean of its divisors is an integer number (13630752825).

Almost surely, 2^53786213777 is an apocalyptic number.

It is an amenable number.

53786213777 is a deficient number, since it is larger than the sum of its proper divisors (736797523).

53786213777 is an equidigital number, since it uses as much as digits as its factorization.

53786213777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736797522.

The product of its digits is 10372320, while the sum is 56.

The spelling of 53786213777 in words is "fifty-three billion, seven hundred eighty-six million, two hundred thirteen thousand, seven hundred seventy-seven".