607878461 has 2 divisors, whose sum is σ = 607878462. Its totient is φ = 607878460.

The previous prime is 607878443. The next prime is 607878463. The reversal of 607878461 is 164878706.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 504855961 + 103022500 = 22469^2 + 10150^2 .

It is a cyclic number.

It is not a de Polignac number, because 607878461 - 2¹⁰ = 607877437 is a prime.

It is a Sophie Germain prime.

Together with 607878463, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (607878463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303939230 + 303939231.

It is an arithmetic number, because the mean of its divisors is an integer number (303939231).

Almost surely, 2^607878461 is an apocalyptic number.

It is an amenable number.

607878461 is a deficient number, since it is larger than the sum of its proper divisors (1).

607878461 is an equidigital number, since it uses as much as digits as its factorization.

607878461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 607878461 is about 24655.1913600361. The cubic root of 607878461 is about 847.1082637731.

The spelling of 607878461 in words is "six hundred seven million, eight hundred seventy-eight thousand, four hundred sixty-one".