97672511 has 2 divisors, whose sum is σ = 97672512. Its totient is φ = 97672510.

The previous prime is 97672507. The next prime is 97672517. The reversal of 97672511 is 11527679.

It is a weak prime.

It is an emirp because it is prime and its reverse (11527679) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97672511 - 2² = 97672507 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97672517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48836255 + 48836256.

It is an arithmetic number, because the mean of its divisors is an integer number (48836256).

Almost surely, 2^97672511 is an apocalyptic number.

97672511 is a deficient number, since it is larger than the sum of its proper divisors (1).

97672511 is an equidigital number, since it uses as much as digits as its factorization.

97672511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26460, while the sum is 38.

The square root of 97672511 is about 9882.9404025320. The cubic root of 97672511 is about 460.5294958203.

The spelling of 97672511 in words is "ninety-seven million, six hundred seventy-two thousand, five hundred eleven".