97650000 has 360 divisors, whose sum is σ = 402974208. Its totient is φ = 21600000.

The previous prime is 97649963. The next prime is 97650041. The reversal of 97650000 is 5679.

97650000 is a `hidden beast` number, since 9 + 7 + 650 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3149985 + ... + 3150015.

Almost surely, 2^97650000 is an apocalyptic number.

97650000 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97650000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201487104).

97650000 is an abundant number, since it is smaller than the sum of its proper divisors (305324208).

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

97650000 is a wasteful number, since it uses less digits than its factorization.

97650000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 97650000 is about 9881.8014552004. The cubic root of 97650000 is about 460.4941130365.

Adding to 97650000 its reverse (5679), we get a palindrome (97655679).

The spelling of 97650000 in words is "ninety-seven million, six hundred fifty thousand".