97892642884 has 27 divisors (see below), whose sum is σ = 173772101853. Its totient is φ = 48253296672.

The previous prime is 97892642879. The next prime is 97892642909. The reversal of 97892642884 is 48824629879.

The square root of 97892642884 is 312878.

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

It can be written as a sum of positive squares in only one way, i.e., 55568632900 + 42324009984 = 235730^2 + 205728^2 .

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 45679117 + ... + 45681259.

Almost surely, 2^97892642884 is an apocalyptic number.

97892642884 is the 312878-th square number.

It is an amenable number.

97892642884 is a deficient number, since it is larger than the sum of its proper divisors (75879458969).

97892642884 is an frugal number, since it uses more digits than its factorization.

97892642884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4436 (or 2218 counting only the distinct ones).

The product of its digits is 111476736, while the sum is 67.

The spelling of 97892642884 in words is "ninety-seven billion, eight hundred ninety-two million, six hundred forty-two thousand, eight hundred eighty-four".