49778367 has 16 divisors (see below), whose sum is σ = 67279200. Its totient is φ = 32735232.

The previous prime is 49778341. The next prime is 49778383. The reversal of 49778367 is 76387794.

It is not a de Polignac number, because 49778367 - 2⁶ = 49778303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49778317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85983 + ... + 86559.

It is an arithmetic number, because the mean of its divisors is an integer number (4204950).

Almost surely, 2^49778367 is an apocalyptic number.

49778367 is a deficient number, since it is larger than the sum of its proper divisors (17500833).

49778367 is a wasteful number, since it uses less digits than its factorization.

49778367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922.

The product of its digits is 1778112, while the sum is 51.

The square root of 49778367 is about 7055.3785865820. The cubic root of 49778367 is about 367.8580082910.

The spelling of 49778367 in words is "forty-nine million, seven hundred seventy-eight thousand, three hundred sixty-seven".