97664467 has 2 divisors, whose sum is σ = 97664468. Its totient is φ = 97664466.

The previous prime is 97664429. The next prime is 97664471. The reversal of 97664467 is 76446679.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (76446679) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97664467 - 2¹¹ = 97662419 is a prime.

It is a super-2 number, since 2×97664467² = 19076696228788178, 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 97664467.

It is not a weakly prime, because it can be changed into another prime (97664267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48832233 + 48832234.

It is an arithmetic number, because the mean of its divisors is an integer number (48832234).

Almost surely, 2^97664467 is an apocalyptic number.

97664467 is a deficient number, since it is larger than the sum of its proper divisors (1).

97664467 is an equidigital number, since it uses as much as digits as its factorization.

97664467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 49.

The square root of 97664467 is about 9882.5334302496. The cubic root of 97664467 is about 460.5168528875.

The spelling of 97664467 in words is "ninety-seven million, six hundred sixty-four thousand, four hundred sixty-seven".