57850454778 has 8 divisors (see below), whose sum is σ = 115700909568. Its totient is φ = 19283484924.

The previous prime is 57850454719. The next prime is 57850454791. The reversal of 57850454778 is 87745405875.

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

57850454778 is an admirable number.

It is a Curzon number.

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, 4820871226 + ... + 4820871237.

It is an arithmetic number, because the mean of its divisors is an integer number (14462613696).

Almost surely, 2^57850454778 is an apocalyptic number.

57850454778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

57850454778 is a wasteful number, since it uses less digits than its factorization.

57850454778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9641742468.

The product of its (nonzero) digits is 43904000, while the sum is 60.

The spelling of 57850454778 in words is "fifty-seven billion, eight hundred fifty million, four hundred fifty-four thousand, seven hundred seventy-eight".