28438837201 has 8 divisors (see below), whose sum is σ = 29102958720. Its totient is φ = 27774840912.

The previous prime is 28438837123. The next prime is 28438837241. The reversal of 28438837201 is 10273883482.

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 28438837201 - 2³³ = 19848902609 is a prime.

It is a super-2 number, since 2×28438837201² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28438837241) 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, 554616 + ... + 603718.

It is an arithmetic number, because the mean of its divisors is an integer number (3637869840).

Almost surely, 2^28438837201 is an apocalyptic number.

It is an amenable number.

28438837201 is a deficient number, since it is larger than the sum of its proper divisors (664121519).

28438837201 is a wasteful number, since it uses less digits than its factorization.

28438837201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62615.

The product of its (nonzero) digits is 516096, while the sum is 46.

The spelling of 28438837201 in words is "twenty-eight billion, four hundred thirty-eight million, eight hundred thirty-seven thousand, two hundred one".