97581803 has 8 divisors (see below), whose sum is σ = 106959936. Its totient is φ = 88288200.

The previous prime is 97581773. The next prime is 97581829. The reversal of 97581803 is 30818579.

It is a happy number.

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

It is not a de Polignac number, because 97581803 - 2¹⁸ = 97319659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97581833) 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 7 ways as a sum of consecutive naturals, for example, 18701 + ... + 23342.

It is an arithmetic number, because the mean of its divisors is an integer number (13369992).

Almost surely, 2^97581803 is an apocalyptic number.

97581803 is a deficient number, since it is larger than the sum of its proper divisors (9378133).

97581803 is a wasteful number, since it uses less digits than its factorization.

97581803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42265.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 97581803 is about 9878.3502165088. The cubic root of 97581803 is about 460.3868878083.

The spelling of 97581803 in words is "ninety-seven million, five hundred eighty-one thousand, eight hundred three".