57778093497 has 8 divisors (see below), whose sum is σ = 77402565280. Its totient is φ = 38336175360.

The previous prime is 57778093493. The next prime is 57778093543. The reversal of 57778093497 is 79439087775.

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

It is not a de Polignac number, because 57778093497 - 2² = 57778093493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57778093493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45637672 + ... + 45638937.

It is an arithmetic number, because the mean of its divisors is an integer number (9675320660).

Almost surely, 2^57778093497 is an apocalyptic number.

It is an amenable number.

57778093497 is a deficient number, since it is larger than the sum of its proper divisors (19624471783).

57778093497 is a wasteful number, since it uses less digits than its factorization.

57778093497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91276823.

The product of its (nonzero) digits is 93350880, while the sum is 66.

The spelling of 57778093497 in words is "fifty-seven billion, seven hundred seventy-eight million, ninety-three thousand, four hundred ninety-seven".