57378666718 has 8 divisors (see below), whose sum is σ = 86122790280. Its totient is φ = 28671069960.

The previous prime is 57378666691. The next prime is 57378666731. The reversal of 57378666718 is 81766687375.

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

It is a super-2 number, since 2×57378666718² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57378666718.

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, 9127773 + ... + 9134056.

It is an arithmetic number, because the mean of its divisors is an integer number (10765348785).

Almost surely, 2^57378666718 is an apocalyptic number.

57378666718 is a deficient number, since it is larger than the sum of its proper divisors (28744123562).

57378666718 is a wasteful number, since it uses less digits than its factorization.

57378666718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18263402.

The product of its digits is 71124480, while the sum is 64.

The spelling of 57378666718 in words is "fifty-seven billion, three hundred seventy-eight million, six hundred sixty-six thousand, seven hundred eighteen".