97700000 has 72 divisors (see below), whose sum is σ = 240664284. Its totient is φ = 39040000.

The previous prime is 97699997. The next prime is 97700023. The reversal of 97700000 is 779.

It can be written as a sum of positive squares in 6 ways, for example, as 795664 + 96904336 = 892^2 + 9844^2 .

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99512 + ... + 100488.

Almost surely, 2^97700000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97700000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120332142).

97700000 is an abundant number, since it is smaller than the sum of its proper divisors (142964284).

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

97700000 is an frugal number, since it uses more digits than its factorization.

97700000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012 (or 984 counting only the distinct ones).

The product of its (nonzero) digits is 441, while the sum is 23.

The square root of 97700000 is about 9884.3310345213. The cubic root of 97700000 is about 460.5726956511.

Adding to 97700000 its reverse (779), we get a palindrome (97700779).

The spelling of 97700000 in words is "ninety-seven million, seven hundred thousand".