97748291 has 8 divisors (see below), whose sum is σ = 99510000. Its totient is φ = 95991840.

The previous prime is 97748281. The next prime is 97748303. The reversal of 97748291 is 19284779.

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 97748291 - 2⁶ = 97748227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97748251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64460 + ... + 65958.

It is an arithmetic number, because the mean of its divisors is an integer number (12438750).

Almost surely, 2^97748291 is an apocalyptic number.

97748291 is a deficient number, since it is larger than the sum of its proper divisors (1761709).

97748291 is a wasteful number, since it uses less digits than its factorization.

97748291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2629.

The product of its digits is 254016, while the sum is 47.

The square root of 97748291 is about 9886.7735384199. The cubic root of 97748291 is about 460.6485668642.

The spelling of 97748291 in words is "ninety-seven million, seven hundred forty-eight thousand, two hundred ninety-one".