24772871236 has 9 divisors (see below), whose sum is σ = 43353075549. Its totient is φ = 12386278224.

The previous prime is 24772871219. The next prime is 24772871243. The reversal of 24772871236 is 63217827742.

The square root of 24772871236 is 157394.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 854392900 + 23918478336 = 29230^2 + 154656^2 .

It is a super-2 number, since 2×24772871236² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 24772871236.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 275440 + ... + 354136.

Almost surely, 2^24772871236 is an apocalyptic number.

24772871236 is the 157394-th square number.

It is an amenable number.

24772871236 is a deficient number, since it is larger than the sum of its proper divisors (18580204313).

24772871236 is an frugal number, since it uses more digits than its factorization.

24772871236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157398 (or 78699 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 49.

Multiplying 24772871236 by its sum of digits (49), we get a square (1213870690564 = 1101758²).

The spelling of 24772871236 in words is "twenty-four billion, seven hundred seventy-two million, eight hundred seventy-one thousand, two hundred thirty-six".