28158014769 has 16 divisors (see below), whose sum is σ = 37802246784. Its totient is φ = 18642960000.

The previous prime is 28158014683. The next prime is 28158014803. The reversal of 28158014769 is 96741085182.

It is not a de Polignac number, because 28158014769 - 2⁷ = 28158014641 is a prime.

It is a super-2 number, since 2×28158014769² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28158014669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3471819 + ... + 3479919.

It is an arithmetic number, because the mean of its divisors is an integer number (2362640424).

Almost surely, 2^28158014769 is an apocalyptic number.

It is an amenable number.

28158014769 is a deficient number, since it is larger than the sum of its proper divisors (9644232015).

28158014769 is a wasteful number, since it uses less digits than its factorization.

28158014769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15928.

The product of its (nonzero) digits is 967680, while the sum is 51.

The spelling of 28158014769 in words is "twenty-eight billion, one hundred fifty-eight million, fourteen thousand, seven hundred sixty-nine".