57691054778 has 8 divisors (see below), whose sum is σ = 98898951072. Its totient is φ = 24724737756.

The previous prime is 57691054747. The next prime is 57691054783. The reversal of 57691054778 is 87745019675.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2060394800 + ... + 2060394827.

It is an arithmetic number, because the mean of its divisors is an integer number (12362368884).

Almost surely, 2^57691054778 is an apocalyptic number.

57691054778 is a deficient number, since it is larger than the sum of its proper divisors (41207896294).

57691054778 is a wasteful number, since it uses less digits than its factorization.

57691054778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4120789636.

The product of its (nonzero) digits is 14817600, while the sum is 59.

The spelling of 57691054778 in words is "fifty-seven billion, six hundred ninety-one million, fifty-four thousand, seven hundred seventy-eight".