28268141979 has 16 divisors (see below), whose sum is σ = 46991197440. Its totient is φ = 14684748960.

The previous prime is 28268141939. The next prime is 28268141987. The reversal of 28268141979 is 97914186282.

It is not a de Polignac number, because 28268141979 - 2⁸ = 28268141723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28268141929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61186224 + ... + 61186685.

It is an arithmetic number, because the mean of its divisors is an integer number (2936949840).

Almost surely, 2^28268141979 is an apocalyptic number.

28268141979 is a deficient number, since it is larger than the sum of its proper divisors (18723055461).

28268141979 is a wasteful number, since it uses less digits than its factorization.

28268141979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122372930.

The product of its digits is 3483648, while the sum is 57.

The spelling of 28268141979 in words is "twenty-eight billion, two hundred sixty-eight million, one hundred forty-one thousand, nine hundred seventy-nine".