5781063638 has 32 divisors (see below), whose sum is σ = 10470297600. Its totient is φ = 2341259424.

The previous prime is 5781063637. The next prime is 5781063641. The reversal of 5781063638 is 8363601875.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a junction number, because it is equal to n+sod(n) for n = 5781063592 and 5781063601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5781063637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132398 + ... + 170561.

It is an arithmetic number, because the mean of its divisors is an integer number (327196800).

Almost surely, 2^5781063638 is an apocalyptic number.

5781063638 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

5781063638 is a deficient number, since it is larger than the sum of its proper divisors (4689233962).

5781063638 is a wasteful number, since it uses less digits than its factorization.

5781063638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303044.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 5781063638 is about 76033.3061098884. The cubic root of 5781063638 is about 1794.7443027226.

The spelling of 5781063638 in words is "five billion, seven hundred eighty-one million, sixty-three thousand, six hundred thirty-eight".