57266991788 has 6 divisors (see below), whose sum is σ = 100217235636. Its totient is φ = 28633495892.

The previous prime is 57266991773. The next prime is 57266991791. The reversal of 57266991788 is 88719966275.

It is a happy number.

57266991788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7158373970 + ... + 7158373977.

It is an arithmetic number, because the mean of its divisors is an integer number (16702872606).

Almost surely, 2^57266991788 is an apocalyptic number.

It is an amenable number.

57266991788 is a deficient number, since it is larger than the sum of its proper divisors (42950243848).

57266991788 is a wasteful number, since it uses less digits than its factorization.

57266991788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14316747951 (or 14316747949 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 68.

The spelling of 57266991788 in words is "fifty-seven billion, two hundred sixty-six million, nine hundred ninety-one thousand, seven hundred eighty-eight".