97487489 has 8 divisors (see below), whose sum is σ = 109224768. Its totient is φ = 86229360.

The previous prime is 97487477. The next prime is 97487497. The reversal of 97487489 is 98478479.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97487489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97487989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119357 + ... + 120170.

It is an arithmetic number, because the mean of its divisors is an integer number (13653096).

Almost surely, 2^97487489 is an apocalyptic number.

It is an amenable number.

97487489 is a deficient number, since it is larger than the sum of its proper divisors (11737279).

97487489 is a wasteful number, since it uses less digits than its factorization.

97487489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239575.

The product of its digits is 4064256, while the sum is 56.

The square root of 97487489 is about 9873.5752896304. The cubic root of 97487489 is about 460.2385168208.

The spelling of 97487489 in words is "ninety-seven million, four hundred eighty-seven thousand, four hundred eighty-nine".