612065879 has 2 divisors, whose sum is σ = 612065880. Its totient is φ = 612065878.

The previous prime is 612065863. The next prime is 612065893. The reversal of 612065879 is 978560216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 612065879 - 2⁴ = 612065863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612065809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306032939 + 306032940.

It is an arithmetic number, because the mean of its divisors is an integer number (306032940).

Almost surely, 2^612065879 is an apocalyptic number.

612065879 is a deficient number, since it is larger than the sum of its proper divisors (1).

612065879 is an equidigital number, since it uses as much as digits as its factorization.

612065879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 612065879 is about 24739.9652182456. The cubic root of 612065879 is about 849.0489381026.

The spelling of 612065879 in words is "six hundred twelve million, sixty-five thousand, eight hundred seventy-nine".