97205500 has 48 divisors (see below), whose sum is σ = 242633664. Its totient is φ = 33326400.

The previous prime is 97205489. The next prime is 97205519. The reversal of 97205500 is 550279.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10387 + ... + 17386.

It is an arithmetic number, because the mean of its divisors is an integer number (5054868).

Almost surely, 2^97205500 is an apocalyptic number.

It is an amenable number.

97205500 is an abundant number, since it is smaller than the sum of its proper divisors (145428164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97205500 is a wasteful number, since it uses less digits than its factorization.

97205500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27799 (or 27787 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 97205500 is about 9859.2849639312. The cubic root of 97205500 is about 459.7943314987.

Adding to 97205500 its reverse (550279), we get a palindrome (97755779).

The spelling of 97205500 in words is "ninety-seven million, two hundred five thousand, five hundred".