5954785778 has 4 divisors (see below), whose sum is σ = 8932178670. Its totient is φ = 2977392888.

The previous prime is 5954785741. The next prime is 5954785787. The reversal of 5954785778 is 8775874595.

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

It can be written as a sum of positive squares in only one way, i.e., 4730275729 + 1224510049 = 68777^2 + 34993^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1488696443 + ... + 1488696446.

Almost surely, 2^5954785778 is an apocalyptic number.

5954785778 is a deficient number, since it is larger than the sum of its proper divisors (2977392892).

5954785778 is a wasteful number, since it uses less digits than its factorization.

5954785778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2977392891.

The product of its digits is 98784000, while the sum is 65.

The square root of 5954785778 is about 77167.2584584939. The cubic root of 5954785778 is about 1812.5446517609.

The spelling of 5954785778 in words is "five billion, nine hundred fifty-four million, seven hundred eighty-five thousand, seven hundred seventy-eight".