97994587 has 4 divisors (see below), whose sum is σ = 98034256. Its totient is φ = 97954920.

The previous prime is 97994573. The next prime is 97994591. The reversal of 97994587 is 78549979.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97994587 - 2²³ = 89605979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97094587) 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 3 ways as a sum of consecutive naturals, for example, 15864 + ... + 21157.

It is an arithmetic number, because the mean of its divisors is an integer number (24508564).

Almost surely, 2^97994587 is an apocalyptic number.

97994587 is a deficient number, since it is larger than the sum of its proper divisors (39669).

97994587 is a wasteful number, since it uses less digits than its factorization.

97994587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39668.

The product of its digits is 5715360, while the sum is 58.

The square root of 97994587 is about 9899.2215350501. The cubic root of 97994587 is about 461.0351405150.

The spelling of 97994587 in words is "ninety-seven million, nine hundred ninety-four thousand, five hundred eighty-seven".