5457887618 has 4 divisors (see below), whose sum is σ = 8186831430. Its totient is φ = 2728943808.

The previous prime is 5457887563. The next prime is 5457887623. The reversal of 5457887618 is 8167887545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8167887545 = 5 ⋅1633577509.

It can be written as a sum of positive squares in only one way, i.e., 5457220129 + 667489 = 73873^2 + 817^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1364471903 + ... + 1364471906.

Almost surely, 2^5457887618 is an apocalyptic number.

5457887618 is a deficient number, since it is larger than the sum of its proper divisors (2728943812).

5457887618 is a wasteful number, since it uses less digits than its factorization.

5457887618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2728943811.

The product of its digits is 15052800, while the sum is 59.

The square root of 5457887618 is about 73877.5176762187. The cubic root of 5457887618 is about 1760.6574267871.

The spelling of 5457887618 in words is "five billion, four hundred fifty-seven million, eight hundred eighty-seven thousand, six hundred eighteen".