97965650 has 12 divisors (see below), whose sum is σ = 182216202. Its totient is φ = 39186240.

The previous prime is 97965631. The next prime is 97965701. The reversal of 97965650 is 5656979.

97965650 = T₂₇₈₇ + T₂₇₈₈ + ... + T₂₈₁₁.

It can be written as a sum of positive squares in 3 ways, for example, as 51739249 + 46226401 = 7193^2 + 6799^2 .

It is a junction number, because it is equal to n+sod(n) for n = 97965595 and 97965604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 979607 + ... + 979706.

Almost surely, 2^97965650 is an apocalyptic number.

97965650 is a deficient number, since it is larger than the sum of its proper divisors (84250552).

97965650 is a wasteful number, since it uses less digits than its factorization.

97965650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959325 (or 1959320 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 47.

The square root of 97965650 is about 9897.7598475615. The cubic root of 97965650 is about 460.9897560788.

The spelling of 97965650 in words is "ninety-seven million, nine hundred sixty-five thousand, six hundred fifty".