97800587 has 6 divisors (see below), whose sum is σ = 98919828. Its totient is φ = 96693872.

The previous prime is 97800559. The next prime is 97800589. The reversal of 97800587 is 78500879.

It is not a de Polignac number, because 97800587 - 2⁸ = 97800331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97800589) 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 5 ways as a sum of consecutive naturals, for example, 1748 + ... + 14094.

It is an arithmetic number, because the mean of its divisors is an integer number (16486638).

Almost surely, 2^97800587 is an apocalyptic number.

97800587 is a deficient number, since it is larger than the sum of its proper divisors (1119241).

97800587 is an equidigital number, since it uses as much as digits as its factorization.

97800587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12525 (or 12436 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 44.

The square root of 97800587 is about 9889.4179302930. The cubic root of 97800587 is about 460.7307022563.

The spelling of 97800587 in words is "ninety-seven million, eight hundred thousand, five hundred eighty-seven".