948078613 has 2 divisors, whose sum is σ = 948078614. Its totient is φ = 948078612.

The previous prime is 948078601. The next prime is 948078647. The reversal of 948078613 is 316870849.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 743216644 + 204861969 = 27262^2 + 14313^2 .

It is a cyclic number.

It is not a de Polignac number, because 948078613 - 2¹³ = 948070421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (948078683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474039306 + 474039307.

It is an arithmetic number, because the mean of its divisors is an integer number (474039307).

Almost surely, 2^948078613 is an apocalyptic number.

It is an amenable number.

948078613 is a deficient number, since it is larger than the sum of its proper divisors (1).

948078613 is an equidigital number, since it uses as much as digits as its factorization.

948078613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 948078613 is about 30790.8852259886. The cubic root of 948078613 is about 982.3843831432.

The spelling of 948078613 in words is "nine hundred forty-eight million, seventy-eight thousand, six hundred thirteen".