28418700979 has 2 divisors, whose sum is σ = 28418700980. Its totient is φ = 28418700978.

The previous prime is 28418700953. The next prime is 28418700997. The reversal of 28418700979 is 97900781482.

It is a happy number.

Together with next prime (28418700997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28418700979 - 2²⁵ = 28385146547 is a prime.

It is not a weakly prime, because it can be changed into another prime (28418700949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14209350489 + 14209350490.

It is an arithmetic number, because the mean of its divisors is an integer number (14209350490).

Almost surely, 2^28418700979 is an apocalyptic number.

28418700979 is a deficient number, since it is larger than the sum of its proper divisors (1).

28418700979 is an equidigital number, since it uses as much as digits as its factorization.

28418700979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 55.

The spelling of 28418700979 in words is "twenty-eight billion, four hundred eighteen million, seven hundred thousand, nine hundred seventy-nine".