28296157979 has 2 divisors, whose sum is σ = 28296157980. Its totient is φ = 28296157978.

The previous prime is 28296157973. The next prime is 28296157991. The reversal of 28296157979 is 97975169282.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28296157979 - 2¹⁶ = 28296092443 is a prime.

It is not a weakly prime, because it can be changed into another prime (28296157973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14148078989 + 14148078990.

It is an arithmetic number, because the mean of its divisors is an integer number (14148078990).

Almost surely, 2^28296157979 is an apocalyptic number.

28296157979 is a deficient number, since it is larger than the sum of its proper divisors (1).

28296157979 is an equidigital number, since it uses as much as digits as its factorization.

28296157979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34292160, while the sum is 65.

The spelling of 28296157979 in words is "twenty-eight billion, two hundred ninety-six million, one hundred fifty-seven thousand, nine hundred seventy-nine".