97439543738 has 8 divisors (see below), whose sum is σ = 146183520288. Its totient is φ = 48711703644.

The previous prime is 97439543699. The next prime is 97439543753. The reversal of 97439543738 is 83734593479.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4019006 + ... + 4043177.

It is an arithmetic number, because the mean of its divisors is an integer number (18272940036).

Almost surely, 2^97439543738 is an apocalyptic number.

97439543738 is a deficient number, since it is larger than the sum of its proper divisors (48743976550).

97439543738 is a wasteful number, since it uses less digits than its factorization.

97439543738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8068228.

The product of its digits is 68584320, while the sum is 62.

The spelling of 97439543738 in words is "ninety-seven billion, four hundred thirty-nine million, five hundred forty-three thousand, seven hundred thirty-eight".