28287944151 has 8 divisors (see below), whose sum is σ = 37718229120. Its totient is φ = 18858144312.

The previous prime is 28287944143. The next prime is 28287944183. The reversal of 28287944151 is 15144978282.

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

It is not a de Polignac number, because 28287944151 - 2³ = 28287944143 is a prime.

It is a super-3 number, since 3×28287944151³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 28287944094 and 28287944103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28287944101) 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, 48886 + ... + 242828.

It is an arithmetic number, because the mean of its divisors is an integer number (4714778640).

Almost surely, 2^28287944151 is an apocalyptic number.

28287944151 is a deficient number, since it is larger than the sum of its proper divisors (9430284969).

28287944151 is a wasteful number, since it uses less digits than its factorization.

28287944151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242565.

The product of its digits is 1290240, while the sum is 51.

The spelling of 28287944151 in words is "twenty-eight billion, two hundred eighty-seven million, nine hundred forty-four thousand, one hundred fifty-one".