57778338 has 16 divisors (see below), whose sum is σ = 116323776. Its totient is φ = 19131600.

The previous prime is 57778333. The next prime is 57778361. The reversal of 57778338 is 83387775.

It is not an unprimeable number, because it can be changed into a prime (57778333) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 30981 + ... + 32792.

It is an arithmetic number, because the mean of its divisors is an integer number (7270236).

Almost surely, 2^57778338 is an apocalyptic number.

57778338 is an abundant number, since it is smaller than the sum of its proper divisors (58545438).

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

57778338 is a wasteful number, since it uses less digits than its factorization.

57778338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63929.

The product of its digits is 987840, while the sum is 48.

The square root of 57778338 is about 7601.2063516260. The cubic root of 57778338 is about 386.5939159932.

The spelling of 57778338 in words is "fifty-seven million, seven hundred seventy-eight thousand, three hundred thirty-eight".