97421612368 has 40 divisors (see below), whose sum is σ = 190095690240. Its totient is φ = 48365116800.

The previous prime is 97421612317. The next prime is 97421612383. The reversal of 97421612368 is 86321612479.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3601293 + ... + 3628243.

It is an arithmetic number, because the mean of its divisors is an integer number (4752392256).

Almost surely, 2^97421612368 is an apocalyptic number.

It is an amenable number.

97421612368 is a deficient number, since it is larger than the sum of its proper divisors (92674077872).

97421612368 is a wasteful number, since it uses less digits than its factorization.

97421612368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28555 (or 28549 counting only the distinct ones).

The product of its digits is 870912, while the sum is 49.

The spelling of 97421612368 in words is "ninety-seven billion, four hundred twenty-one million, six hundred twelve thousand, three hundred sixty-eight".