28791702141 has 8 divisors (see below), whose sum is σ = 38404789440. Its totient is φ = 19186541472.

The previous prime is 28791702133. The next prime is 28791702179. The reversal of 28791702141 is 14120719782.

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

It is not a de Polignac number, because 28791702141 - 2³ = 28791702133 is a prime.

It is a super-2 number, since 2×28791702141² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28791702093 and 28791702102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28791702241) 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, 1973176 + ... + 1987713.

It is an arithmetic number, because the mean of its divisors is an integer number (4800598680).

Almost surely, 2^28791702141 is an apocalyptic number.

It is an amenable number.

28791702141 is a deficient number, since it is larger than the sum of its proper divisors (9613087299).

28791702141 is a wasteful number, since it uses less digits than its factorization.

28791702141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3963315.

The product of its (nonzero) digits is 56448, while the sum is 42.

The spelling of 28791702141 in words is "twenty-eight billion, seven hundred ninety-one million, seven hundred two thousand, one hundred forty-one".