97909958 has 8 divisors (see below), whose sum is σ = 147301752. Its totient is φ = 48809376.

The previous prime is 97909949. The next prime is 97909963. The reversal of 97909958 is 85990979.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 71960 + ... + 73307.

It is an arithmetic number, because the mean of its divisors is an integer number (18412719).

Almost surely, 2^97909958 is an apocalyptic number.

97909958 is a deficient number, since it is larger than the sum of its proper divisors (49391794).

97909958 is a wasteful number, since it uses less digits than its factorization.

97909958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145606.

The product of its (nonzero) digits is 1837080, while the sum is 56.

The square root of 97909958 is about 9894.9460837339. The cubic root of 97909958 is about 460.9023842704.

The spelling of 97909958 in words is "ninety-seven million, nine hundred nine thousand, nine hundred fifty-eight".