57148745078 has 8 divisors (see below), whose sum is σ = 88679087280. Its totient is φ = 27589049320.

The previous prime is 57148745057. The next prime is 57148745083. The reversal of 57148745078 is 87054784175.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 492661538 + ... + 492661653.

It is an arithmetic number, because the mean of its divisors is an integer number (11084885910).

Almost surely, 2^57148745078 is an apocalyptic number.

57148745078 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

57148745078 is a deficient number, since it is larger than the sum of its proper divisors (31530342202).

57148745078 is a wasteful number, since it uses less digits than its factorization.

57148745078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985323222.

The product of its (nonzero) digits is 8780800, while the sum is 56.

The spelling of 57148745078 in words is "fifty-seven billion, one hundred forty-eight million, seven hundred forty-five thousand, seventy-eight".