97800787 has 8 divisors (see below), whose sum is σ = 111996000. Its totient is φ = 83661504.

The previous prime is 97800727. The next prime is 97800803. The reversal of 97800787 is 78700879.

It is a happy number.

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-97800787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97800727) 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, 10162 + ... + 17287.

It is an arithmetic number, because the mean of its divisors is an integer number (13999500).

Almost surely, 2^97800787 is an apocalyptic number.

97800787 is a deficient number, since it is larger than the sum of its proper divisors (14195213).

97800787 is a wasteful number, since it uses less digits than its factorization.

97800787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27965.

The product of its (nonzero) digits is 197568, while the sum is 46.

The square root of 97800787 is about 9889.4280421064. The cubic root of 97800787 is about 460.7310163174.

The spelling of 97800787 in words is "ninety-seven million, eight hundred thousand, seven hundred eighty-seven".