969888143 has 4 divisors (see below), whose sum is σ = 1108443600. Its totient is φ = 831332688.

The previous prime is 969888109. The next prime is 969888163. The reversal of 969888143 is 341888969.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341888969 = 197 ⋅1735477.

It is a cyclic number.

It is not a de Polignac number, because 969888143 - 2⁸ = 969887887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (969888163) 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, 69277718 + ... + 69277731.

It is an arithmetic number, because the mean of its divisors is an integer number (277110900).

Almost surely, 2^969888143 is an apocalyptic number.

969888143 is a deficient number, since it is larger than the sum of its proper divisors (138555457).

969888143 is a wasteful number, since it uses less digits than its factorization.

969888143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138555456.

The product of its digits is 2985984, while the sum is 56.

The square root of 969888143 is about 31143.0271971111. The cubic root of 969888143 is about 989.8602472524.

The spelling of 969888143 in words is "nine hundred sixty-nine million, eight hundred eighty-eight thousand, one hundred forty-three".