97689459 has 16 divisors (see below), whose sum is σ = 149637632. Its totient is φ = 55531008.

The previous prime is 97689457. The next prime is 97689479. The reversal of 97689459 is 95498679.

It is not a de Polignac number, because 97689459 - 2¹ = 97689457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97689399 and 97689408.

It is not an unprimeable number, because it can be changed into a prime (97689457) 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 in 15 ways as a sum of consecutive naturals, for example, 7999 + ... + 16104.

It is an arithmetic number, because the mean of its divisors is an integer number (9352352).

Almost surely, 2^97689459 is an apocalyptic number.

97689459 is a deficient number, since it is larger than the sum of its proper divisors (51948173).

97689459 is a wasteful number, since it uses less digits than its factorization.

97689459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24306.

The product of its digits is 4898880, while the sum is 57.

The square root of 97689459 is about 9883.7978024644. The cubic root of 97689459 is about 460.5561310950.

The spelling of 97689459 in words is "ninety-seven million, six hundred eighty-nine thousand, four hundred fifty-nine".