28154354107 has 8 divisors (see below), whose sum is σ = 30851573760. Its totient is φ = 25480089960.

The previous prime is 28154354089. The next prime is 28154354141. The reversal of 28154354107 is 70145345182.

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 28154354107 - 2⁷ = 28154353979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28154354107.

It is not an unprimeable number, because it can be changed into a prime (28154354197) 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, 5736307 + ... + 5741212.

It is an arithmetic number, because the mean of its divisors is an integer number (3856446720).

Almost surely, 2^28154354107 is an apocalyptic number.

28154354107 is a deficient number, since it is larger than the sum of its proper divisors (2697219653).

28154354107 is a wasteful number, since it uses less digits than its factorization.

28154354107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11477753.

The product of its (nonzero) digits is 134400, while the sum is 40.

Adding to 28154354107 its reverse (70145345182), we get a palindrome (98299699289).

The spelling of 28154354107 in words is "twenty-eight billion, one hundred fifty-four million, three hundred fifty-four thousand, one hundred seven".