28154379607 has 16 divisors (see below), whose sum is σ = 30138307200. Its totient is φ = 26222248800.

The previous prime is 28154379587. The next prime is 28154379611. The reversal of 28154379607 is 70697345182.

It is a cyclic number.

It is not a de Polignac number, because 28154379607 - 2¹⁹ = 28153855319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28154379637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 626232 + ... + 669682.

It is an arithmetic number, because the mean of its divisors is an integer number (1883644200).

It is a 2-persistent number, because it is pandigital, and so is 2⋅28154379607 = 56308759214, but 3⋅28154379607 = 84463138821 is not.

Almost surely, 2^28154379607 is an apocalyptic number.

28154379607 is a deficient number, since it is larger than the sum of its proper divisors (1983927593).

28154379607 is a wasteful number, since it uses less digits than its factorization.

28154379607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44046.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 28154379607 in words is "twenty-eight billion, one hundred fifty-four million, three hundred seventy-nine thousand, six hundred seven".