477552515387077 has 4 divisors (see below), whose sum is σ = 514287324263020. Its totient is φ = 440817706511136.

The previous prime is 477552515387053. The next prime is 477552515387111. The reversal of 477552515387077 is 770783515255774.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39296461778721 + 438256053608356 = 6268689^2 + 20934566^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-477552515387077 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 (477552515387377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18367404437952 + ... + 18367404437977.

It is an arithmetic number, because the mean of its divisors is an integer number (128571831065755).

Almost surely, 2^{477552515387077} is an apocalyptic number.

It is an amenable number.

477552515387077 is a deficient number, since it is larger than the sum of its proper divisors (36734808875943).

477552515387077 is a wasteful number, since it uses less digits than its factorization.

477552515387077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36734808875942.

The product of its (nonzero) digits is 2016840000, while the sum is 73.

The spelling of 477552515387077 in words is "four hundred seventy-seven trillion, five hundred fifty-two billion, five hundred fifteen million, three hundred eighty-seven thousand, seventy-seven".