97978368 has 96 divisors (see below), whose sum is σ = 268894080. Its totient is φ = 31703040.

The previous prime is 97978343. The next prime is 97978403. The reversal of 97978368 is 86387979.

It is a tau number, because it is divible by the number of its divisors (96).

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, 227113 + ... + 227543.

It is an arithmetic number, because the mean of its divisors is an integer number (2800980).

Almost surely, 2^97978368 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 97978368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134447040).

97978368 is an abundant number, since it is smaller than the sum of its proper divisors (170915712).

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

97978368 is a wasteful number, since it uses less digits than its factorization.

97978368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 473 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 57.

The square root of 97978368 is about 9898.4022953202. The cubic root of 97978368 is about 461.0097039348.

It can be divided in two parts, 97978 and 368, that added together give a triangular number (98346 = T₄₄₃).

The spelling of 97978368 in words is "ninety-seven million, nine hundred seventy-eight thousand, three hundred sixty-eight".