57845007784 has 16 divisors (see below), whose sum is σ = 108463573620. Its totient is φ = 28921388160.

The previous prime is 57845007763. The next prime is 57845007827. The reversal of 57845007784 is 48770054875.

It can be written as a sum of positive squares in 2 ways, for example, as 54349596900 + 3495410884 = 233130^2 + 59122^2 .

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, 106362 + ... + 356374.

Almost surely, 2^57845007784 is an apocalyptic number.

It is an amenable number.

57845007784 is a deficient number, since it is larger than the sum of its proper divisors (50618565836).

57845007784 is a wasteful number, since it uses less digits than its factorization.

57845007784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278940 (or 278936 counting only the distinct ones).

The product of its (nonzero) digits is 8780800, while the sum is 55.

The spelling of 57845007784 in words is "fifty-seven billion, eight hundred forty-five million, seven thousand, seven hundred eighty-four".