397580508859 has 2 divisors, whose sum is σ = 397580508860. Its totient is φ = 397580508858.

The previous prime is 397580508797. The next prime is 397580508877. The reversal of 397580508859 is 958805085793.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 397580508859 - 2¹⁵ = 397580476091 is a prime.

It is a super-2 number, since 2×397580508859² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 397580508794 and 397580508803.

It is not a weakly prime, because it can be changed into another prime (397580508959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198790254429 + 198790254430.

It is an arithmetic number, because the mean of its divisors is an integer number (198790254430).

Almost surely, 2^397580508859 is an apocalyptic number.

397580508859 is a deficient number, since it is larger than the sum of its proper divisors (1).

397580508859 is an equidigital number, since it uses as much as digits as its factorization.

397580508859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864000, while the sum is 67.

The spelling of 397580508859 in words is "three hundred ninety-seven billion, five hundred eighty million, five hundred eight thousand, eight hundred fifty-nine".