97847796143 has 4 divisors (see below), whose sum is σ = 97874541480. Its totient is φ = 97821050808.

The previous prime is 97847796103. The next prime is 97847796203. The reversal of 97847796143 is 34169774879.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34169774879 = 3701 ⋅9232579.

It is a cyclic number.

It is not a de Polignac number, because 97847796143 - 2¹⁰ = 97847795119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97847796143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97847796103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13367180 + ... + 13374497.

It is an arithmetic number, because the mean of its divisors is an integer number (24468635370).

Almost surely, 2^97847796143 is an apocalyptic number.

97847796143 is a deficient number, since it is larger than the sum of its proper divisors (26745337).

97847796143 is a wasteful number, since it uses less digits than its factorization.

97847796143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26745336.

The product of its digits is 64012032, while the sum is 65.

The spelling of 97847796143 in words is "ninety-seven billion, eight hundred forty-seven million, seven hundred ninety-six thousand, one hundred forty-three".