5263778 has 16 divisors (see below), whose sum is σ = 9003960. Its totient is φ = 2286336.

The previous prime is 5263771. The next prime is 5263787. The reversal of 5263778 is 8773625.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3948169 + 1315609 = 1987^2 + 1147^2 .

It is not an unprimeable number, because it can be changed into a prime (5263771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5513 + ... + 6396.

Almost surely, 2^5263778 is an apocalyptic number.

5263778 is a deficient number, since it is larger than the sum of its proper divisors (3740182).

5263778 is a wasteful number, since it uses less digits than its factorization.

5263778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11941.

The product of its digits is 70560, while the sum is 38.

The square root of 5263778 is about 2294.2924835339. The cubic root of 5263778 is about 173.9532397360.

The spelling of 5263778 in words is "five million, two hundred sixty-three thousand, seven hundred seventy-eight".