5827664978 has 4 divisors (see below), whose sum is σ = 8741497470. Its totient is φ = 2913832488.

The previous prime is 5827664939. The next prime is 5827664981. The reversal of 5827664978 is 8794667285.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8794667285 = 5 ⋅1758933457.

It can be written as a sum of positive squares in only one way, i.e., 3267608569 + 2560056409 = 57163^2 + 50597^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5827664978.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1456916243 + ... + 1456916246.

Almost surely, 2^5827664978 is an apocalyptic number.

5827664978 is a deficient number, since it is larger than the sum of its proper divisors (2913832492).

5827664978 is a wasteful number, since it uses less digits than its factorization.

5827664978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913832491.

The product of its digits is 40642560, while the sum is 62.

The square root of 5827664978 is about 76339.1444673046. The cubic root of 5827664978 is about 1799.5538995328.

The spelling of 5827664978 in words is "five billion, eight hundred twenty-seven million, six hundred sixty-four thousand, nine hundred seventy-eight".