97758643 has 8 divisors (see below), whose sum is σ = 98710976. Its totient is φ = 96811200.

The previous prime is 97758641. The next prime is 97758649. The reversal of 97758643 is 34685779.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97758643 - 2¹ = 97758641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97758641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48055 + ... + 50047.

It is an arithmetic number, because the mean of its divisors is an integer number (12338872).

Almost surely, 2^97758643 is an apocalyptic number.

97758643 is a deficient number, since it is larger than the sum of its proper divisors (952333).

97758643 is a wasteful number, since it uses less digits than its factorization.

97758643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445.

The product of its digits is 1270080, while the sum is 49.

The square root of 97758643 is about 9887.2970522787. The cubic root of 97758643 is about 460.6648279009.

The spelling of 97758643 in words is "ninety-seven million, seven hundred fifty-eight thousand, six hundred forty-three".