5122177780 has 48 divisors (see below), whose sum is σ = 11141781840. Its totient is φ = 1978032000.

The previous prime is 5122177777. The next prime is 5122177793. The reversal of 5122177780 is 877712215.

It can be written as a sum of positive squares in 8 ways, for example, as 1322195044 + 3799982736 = 36362^2 + 61644^2 .

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 482530 + ... + 493030.

It is an arithmetic number, because the mean of its divisors is an integer number (232120455).

Almost surely, 2^5122177780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5122177780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5570890920).

5122177780 is an abundant number, since it is smaller than the sum of its proper divisors (6019604060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5122177780 is a wasteful number, since it uses less digits than its factorization.

5122177780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10597 (or 10537 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 40.

The square root of 5122177780 is about 71569.3913625092. The cubic root of 5122177780 is about 1723.7920863854.

Adding to 5122177780 its reverse (877712215), we get a palindrome (5999889995).

The spelling of 5122177780 in words is "five billion, one hundred twenty-two million, one hundred seventy-seven thousand, seven hundred eighty".