97158136804 has 9 divisors (see below), whose sum is σ = 170027830371. Its totient is φ = 48578756700.

The previous prime is 97158136787. The next prime is 97158136843. The reversal of 97158136804 is 40863185179.

The square root of 97158136804 is 311702.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 545479 + ... + 701329.

Almost surely, 2^97158136804 is an apocalyptic number.

97158136804 is the 311702-nd square number.

It is an amenable number.

97158136804 is a deficient number, since it is larger than the sum of its proper divisors (72869693567).

97158136804 is an frugal number, since it uses more digits than its factorization.

97158136804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311706 (or 155853 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 97158136804 in words is "ninety-seven billion, one hundred fifty-eight million, one hundred thirty-six thousand, eight hundred four".