397080587 has 2 divisors, whose sum is σ = 397080588. Its totient is φ = 397080586.

The previous prime is 397080539. The next prime is 397080599. The reversal of 397080587 is 785080793.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 397080587 - 2¹⁰ = 397079563 is a prime.

It is a super-3 number, since 3×397080587³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (397085587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198540293 + 198540294.

It is an arithmetic number, because the mean of its divisors is an integer number (198540294).

Almost surely, 2^397080587 is an apocalyptic number.

397080587 is a deficient number, since it is larger than the sum of its proper divisors (1).

397080587 is an equidigital number, since it uses as much as digits as its factorization.

397080587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 397080587 is about 19926.8810153521. The cubic root of 397080587 is about 735.0093860927.

The spelling of 397080587 in words is "three hundred ninety-seven million, eighty thousand, five hundred eighty-seven".