97847922139 has 8 divisors (see below), whose sum is σ = 109225588032. Its totient is φ = 86883989640.

The previous prime is 97847922127. The next prime is 97847922157. The reversal of 97847922139 is 93122974879.

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

It is a cyclic number.

It is not a de Polignac number, because 97847922139 - 2¹⁵ = 97847889371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97847926139) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 103432849 + ... + 103433794.

It is an arithmetic number, because the mean of its divisors is an integer number (13653198504).

Almost surely, 2^97847922139 is an apocalyptic number.

97847922139 is a deficient number, since it is larger than the sum of its proper divisors (11377665893).

97847922139 is a wasteful number, since it uses less digits than its factorization.

97847922139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206866697.

The product of its digits is 13716864, while the sum is 61.

The spelling of 97847922139 in words is "ninety-seven billion, eight hundred forty-seven million, nine hundred twenty-two thousand, one hundred thirty-nine".