28357699201 has 8 divisors (see below), whose sum is σ = 32335476264. Its totient is φ = 24636552960.

The previous prime is 28357699193. The next prime is 28357699207. The reversal of 28357699201 is 10299675382.

It can be written as a sum of positive squares in 4 ways, for example, as 3779298576 + 24578400625 = 61476^2 + 156775^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 28357699201 - 2³ = 28357699193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28357699207) 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, 64157470 + ... + 64157911.

It is an arithmetic number, because the mean of its divisors is an integer number (4041934533).

Almost surely, 2^28357699201 is an apocalyptic number.

It is an amenable number.

28357699201 is a deficient number, since it is larger than the sum of its proper divisors (3977777063).

28357699201 is a wasteful number, since it uses less digits than its factorization.

28357699201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128315411.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 28357699201 in words is "twenty-eight billion, three hundred fifty-seven million, six hundred ninety-nine thousand, two hundred one".