97660650 has 24 divisors (see below), whose sum is σ = 242198784. Its totient is φ = 26042800.

The previous prime is 97660639. The next prime is 97660681. The reversal of 97660650 is 5606679.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 97660599 and 97660608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 325386 + ... + 325685.

It is an arithmetic number, because the mean of its divisors is an integer number (10091616).

Almost surely, 2^97660650 is an apocalyptic number.

97660650 is an abundant number, since it is smaller than the sum of its proper divisors (144538134).

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

97660650 is a wasteful number, since it uses less digits than its factorization.

97660650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651086 (or 651081 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 97660650 is about 9882.3403098659. The cubic root of 97660650 is about 460.5108533813.

The spelling of 97660650 in words is "ninety-seven million, six hundred sixty thousand, six hundred fifty".