7285418879 has 2 divisors, whose sum is σ = 7285418880. Its totient is φ = 7285418878.

The previous prime is 7285418821. The next prime is 7285418897. The reversal of 7285418879 is 9788145827.

Together with next prime (7285418897) 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 a de Polignac number, because none of the positive numbers 2^k-7285418879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7285418809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3642709439 + 3642709440.

It is an arithmetic number, because the mean of its divisors is an integer number (3642709440).

Almost surely, 2^7285418879 is an apocalyptic number.

7285418879 is a deficient number, since it is larger than the sum of its proper divisors (1).

7285418879 is an equidigital number, since it uses as much as digits as its factorization.

7285418879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9031680, while the sum is 59.

The square root of 7285418879 is about 85354.6652444962. The cubic root of 7285418879 is about 1938.5849743562.

The spelling of 7285418879 in words is "seven billion, two hundred eighty-five million, four hundred eighteen thousand, eight hundred seventy-nine".