57778775308 has 6 divisors (see below), whose sum is σ = 101112856796. Its totient is φ = 28889387652.

The previous prime is 57778775303. The next prime is 57778775311. The reversal of 57778775308 is 80357787775.

It is a self number, because there is not a number n which added to its sum of digits gives 57778775308.

It is not an unprimeable number, because it can be changed into a prime (57778775303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7222346910 + ... + 7222346917.

Almost surely, 2^57778775308 is an apocalyptic number.

It is an amenable number.

57778775308 is a deficient number, since it is larger than the sum of its proper divisors (43334081488).

57778775308 is a wasteful number, since it uses less digits than its factorization.

57778775308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14444693831 (or 14444693829 counting only the distinct ones).

The product of its (nonzero) digits is 80673600, while the sum is 64.

The spelling of 57778775308 in words is "fifty-seven billion, seven hundred seventy-eight million, seven hundred seventy-five thousand, three hundred eight".