97854603508 has 48 divisors (see below), whose sum is σ = 175244939856. Its totient is φ = 47796802560.

The previous prime is 97854603449. The next prime is 97854603521. The reversal of 97854603508 is 80530645879.

It can be written as a sum of positive squares in 8 ways, for example, as 10987651684 + 86866951824 = 104822^2 + 294732^2 .

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 15 ways as a sum of consecutive naturals, for example, 22374810 + ... + 22379182.

It is an arithmetic number, because the mean of its divisors is an integer number (3650936247).

Almost surely, 2^97854603508 is an apocalyptic number.

It is an amenable number.

97854603508 is a deficient number, since it is larger than the sum of its proper divisors (77390336348).

97854603508 is a wasteful number, since it uses less digits than its factorization.

97854603508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5044 (or 5042 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 97854603508 in words is "ninety-seven billion, eight hundred fifty-four million, six hundred three thousand, five hundred eight".