97905679 has 2 divisors, whose sum is σ = 97905680. Its totient is φ = 97905678.

The previous prime is 97905673. The next prime is 97905701. The reversal of 97905679 is 97650979.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97905679 - 2⁷ = 97905551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97905673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48952839 + 48952840.

It is an arithmetic number, because the mean of its divisors is an integer number (48952840).

Almost surely, 2^97905679 is an apocalyptic number.

97905679 is a deficient number, since it is larger than the sum of its proper divisors (1).

97905679 is an equidigital number, since it uses as much as digits as its factorization.

97905679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1071630, while the sum is 52.

The square root of 97905679 is about 9894.7298598800. The cubic root of 97905679 is about 460.8956698357.

The spelling of 97905679 in words is "ninety-seven million, nine hundred five thousand, six hundred seventy-nine".