697860067 has 2 divisors, whose sum is σ = 697860068. Its totient is φ = 697860066.

The previous prime is 697860019. The next prime is 697860073. The reversal of 697860067 is 760068796.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 697860067 - 2²³ = 689471459 is a prime.

It is a super-2 number, since 2×697860067² = 974017346226488978, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 697860067.

It is not a weakly prime, because it can be changed into another prime (697860017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348930033 + 348930034.

It is an arithmetic number, because the mean of its divisors is an integer number (348930034).

Almost surely, 2^697860067 is an apocalyptic number.

697860067 is a deficient number, since it is larger than the sum of its proper divisors (1).

697860067 is an equidigital number, since it uses as much as digits as its factorization.

697860067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 49.

The square root of 697860067 is about 26417.0412234224. The cubic root of 697860067 is about 886.9982900497.

The spelling of 697860067 in words is "six hundred ninety-seven million, eight hundred sixty thousand, sixty-seven".