5207857784 has 32 divisors (see below), whose sum is σ = 10041894000. Its totient is φ = 2531012352.

The previous prime is 5207857783. The next prime is 5207857789. The reversal of 5207857784 is 4877587025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5207857783) 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 in 7 ways as a sum of consecutive naturals, for example, 19979 + ... + 103994.

Almost surely, 2^5207857784 is an apocalyptic number.

It is an amenable number.

5207857784 is a deficient number, since it is larger than the sum of its proper divisors (4834036216).

5207857784 is a wasteful number, since it uses less digits than its factorization.

5207857784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124127 (or 124123 counting only the distinct ones).

The product of its (nonzero) digits is 4390400, while the sum is 53.

The square root of 5207857784 is about 72165.4888710663. The cubic root of 5207857784 is about 1733.3504278722.

The spelling of 5207857784 in words is "five billion, two hundred seven million, eight hundred fifty-seven thousand, seven hundred eighty-four".