49277784196 has 27 divisors (see below), whose sum is σ = 91621263279. Its totient is φ = 23185993728.

The previous prime is 49277784151. The next prime is 49277784203. The reversal of 49277784196 is 69148777294.

It is a happy number.

The square root of 49277784196 is 221986.

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

It can be written as a sum of positive squares in 4 ways, for example, as 1781684100 + 47496100096 = 42210^2 + 217936^2 .

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 7544260 + ... + 7550788.

Almost surely, 2^49277784196 is an apocalyptic number.

49277784196 is the 221986-th square number.

It is an amenable number.

49277784196 is a deficient number, since it is larger than the sum of its proper divisors (42343479083).

49277784196 is an frugal number, since it uses more digits than its factorization.

49277784196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13096 (or 6548 counting only the distinct ones).

The product of its digits is 42674688, while the sum is 64.

Multiplying 49277784196 by its sum of digits (64), we get a square (3153778188544 = 1775888²).

The spelling of 49277784196 in words is "forty-nine billion, two hundred seventy-seven million, seven hundred eighty-four thousand, one hundred ninety-six".