57764378 has 16 divisors (see below), whose sum is σ = 99952704. Its totient is φ = 24524160.

The previous prime is 57764353. The next prime is 57764381. The reversal of 57764378 is 87346775.

57764378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17783 + ... + 20778.

It is an arithmetic number, because the mean of its divisors is an integer number (6247044).

Almost surely, 2^57764378 is an apocalyptic number.

57764378 is a deficient number, since it is larger than the sum of its proper divisors (42188326).

57764378 is a wasteful number, since it uses less digits than its factorization.

57764378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38677.

The product of its digits is 987840, while the sum is 47.

The square root of 57764378 is about 7600.2880208582. The cubic root of 57764378 is about 386.5627781080.

The spelling of 57764378 in words is "fifty-seven million, seven hundred sixty-four thousand, three hundred seventy-eight".