97798197467 has 2 divisors, whose sum is σ = 97798197468. Its totient is φ = 97798197466.

The previous prime is 97798197437. The next prime is 97798197521. The reversal of 97798197467 is 76479189779.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97798197467 - 2⁶ = 97798197403 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97798197394 and 97798197403.

It is not a weakly prime, because it can be changed into another prime (97798197407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48899098733 + 48899098734.

It is an arithmetic number, because the mean of its divisors is an integer number (48899098734).

Almost surely, 2^97798197467 is an apocalyptic number.

97798197467 is a deficient number, since it is larger than the sum of its proper divisors (1).

97798197467 is an equidigital number, since it uses as much as digits as its factorization.

97798197467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336063168, while the sum is 74.

The spelling of 97798197467 in words is "ninety-seven billion, seven hundred ninety-eight million, one hundred ninety-seven thousand, four hundred sixty-seven".