5321665879 has 2 divisors, whose sum is σ = 5321665880. Its totient is φ = 5321665878.

The previous prime is 5321665849. The next prime is 5321665897. The reversal of 5321665879 is 9785661235.

Together with next prime (5321665897) 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 5321665879 - 2¹⁷ = 5321534807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5321665819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2660832939 + 2660832940.

It is an arithmetic number, because the mean of its divisors is an integer number (2660832940).

Almost surely, 2^5321665879 is an apocalyptic number.

5321665879 is a deficient number, since it is larger than the sum of its proper divisors (1).

5321665879 is an equidigital number, since it uses as much as digits as its factorization.

5321665879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 52.

The square root of 5321665879 is about 72949.7489988828. The cubic root of 5321665879 is about 1745.8859417565.

The spelling of 5321665879 in words is "five billion, three hundred twenty-one million, six hundred sixty-five thousand, eight hundred seventy-nine".