700878949 has 2 divisors, whose sum is σ = 700878950. Its totient is φ = 700878948.

The previous prime is 700878889. The next prime is 700878967. The reversal of 700878949 is 949878007.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 651780900 + 49098049 = 25530^2 + 7007^2 .

It is a cyclic number.

It is not a de Polignac number, because 700878949 - 2²⁹ = 164008037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 700878896 and 700878905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (700878049) 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, 350439474 + 350439475.

It is an arithmetic number, because the mean of its divisors is an integer number (350439475).

Almost surely, 2^700878949 is an apocalyptic number.

It is an amenable number.

700878949 is a deficient number, since it is larger than the sum of its proper divisors (1).

700878949 is an equidigital number, since it uses as much as digits as its factorization.

700878949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The square root of 700878949 is about 26474.1184744648. The cubic root of 700878949 is about 888.2754759895.

The spelling of 700878949 in words is "seven hundred million, eight hundred seventy-eight thousand, nine hundred forty-nine".