97800973 has 8 divisors (see below), whose sum is σ = 99334400. Its totient is φ = 96275088.

The previous prime is 97800917. The next prime is 97801003. The reversal of 97800973 is 37900879.

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

It is a de Polignac number, because none of the positive numbers 2^k-97800973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97801973) 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, 27808 + ... + 31126.

It is an arithmetic number, because the mean of its divisors is an integer number (12416800).

Almost surely, 2^97800973 is an apocalyptic number.

It is an amenable number.

97800973 is a deficient number, since it is larger than the sum of its proper divisors (1533427).

97800973 is a wasteful number, since it uses less digits than its factorization.

97800973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3771.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 97800973 is about 9889.4374460836. The cubic root of 97800973 is about 460.7313083938.

The spelling of 97800973 in words is "ninety-seven million, eight hundred thousand, nine hundred seventy-three".