700455779 has 2 divisors, whose sum is σ = 700455780. Its totient is φ = 700455778.

The previous prime is 700455773. The next prime is 700455797. The reversal of 700455779 is 977554007.

Together with next prime (700455797) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-700455779 is a prime.

It is not a weakly prime, because it can be changed into another prime (700455773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350227889 + 350227890.

It is an arithmetic number, because the mean of its divisors is an integer number (350227890).

Almost surely, 2^700455779 is an apocalyptic number.

700455779 is a deficient number, since it is larger than the sum of its proper divisors (1).

700455779 is an equidigital number, since it uses as much as digits as its factorization.

700455779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 308700, while the sum is 44.

The square root of 700455779 is about 26466.1251225033. The cubic root of 700455779 is about 888.0966685032.

The spelling of 700455779 in words is "seven hundred million, four hundred fifty-five thousand, seven hundred seventy-nine".