5478202557 has 16 divisors (see below), whose sum is σ = 8125920000. Its totient is φ = 3647606112.

The previous prime is 5478202523. The next prime is 5478202559. The reversal of 5478202557 is 7552028745.

5478202557 is a `hidden beast` number, since 5 + 4 + 78 + 20 + 2 + 557 = 666.

It is not a de Polignac number, because 5478202557 - 2¹⁵ = 5478169789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5478202559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103557 + ... + 147242.

It is an arithmetic number, because the mean of its divisors is an integer number (507870000).

Almost surely, 2^5478202557 is an apocalyptic number.

It is an amenable number.

5478202557 is a deficient number, since it is larger than the sum of its proper divisors (2647717443).

5478202557 is a wasteful number, since it uses less digits than its factorization.

5478202557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251617 (or 251611 counting only the distinct ones).

The product of its (nonzero) digits is 784000, while the sum is 45.

The square root of 5478202557 is about 74014.8806457188. The cubic root of 5478202557 is about 1762.8391843367.

The spelling of 5478202557 in words is "five billion, four hundred seventy-eight million, two hundred two thousand, five hundred fifty-seven".