5628728157 has 8 divisors (see below), whose sum is σ = 8082276384. Its totient is φ = 3463832688.

The previous prime is 5628728143. The next prime is 5628728179. The reversal of 5628728157 is 7518278265.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5628728157 - 2¹² = 5628724061 is a prime.

It is a super-3 number, since 3×5628728157³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5628728137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72163143 + ... + 72163220.

It is an arithmetic number, because the mean of its divisors is an integer number (1010284548).

Almost surely, 2^5628728157 is an apocalyptic number.

It is an amenable number.

5628728157 is a deficient number, since it is larger than the sum of its proper divisors (2453548227).

5628728157 is a wasteful number, since it uses less digits than its factorization.

5628728157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144326379.

The product of its digits is 1881600, while the sum is 51.

The square root of 5628728157 is about 75024.8502630962. The cubic root of 5628728157 is about 1778.8394738184.

The spelling of 5628728157 in words is "five billion, six hundred twenty-eight million, seven hundred twenty-eight thousand, one hundred fifty-seven".