28501127007 has 8 divisors (see below), whose sum is σ = 39311899440. Its totient is φ = 18345552960.

The previous prime is 28501126987. The next prime is 28501127029. The reversal of 28501127007 is 70072110582.

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

It is not a de Polignac number, because 28501127007 - 2¹¹ = 28501124959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28501127407) 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, 163799494 + ... + 163799667.

It is an arithmetic number, because the mean of its divisors is an integer number (4913987430).

Almost surely, 2^28501127007 is an apocalyptic number.

28501127007 is a deficient number, since it is larger than the sum of its proper divisors (10810772433).

28501127007 is a wasteful number, since it uses less digits than its factorization.

28501127007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327599193.

The product of its (nonzero) digits is 7840, while the sum is 33.

Adding to 28501127007 its reverse (70072110582), we get a palindrome (98573237589).

The spelling of 28501127007 in words is "twenty-eight billion, five hundred one million, one hundred twenty-seven thousand, seven".