23869889772 has 48 divisors (see below), whose sum is σ = 60212355840. Its totient is φ = 7334131392.

The previous prime is 23869889767. The next prime is 23869889773. The reversal of 23869889772 is 27798896832.

It is a junction number, because it is equal to n+sod(n) for n = 23869889697 and 23869889706.

It is not an unprimeable number, because it can be changed into a prime (23869889773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1406328 + ... + 1423199.

It is an arithmetic number, because the mean of its divisors is an integer number (1254424080).

Almost surely, 2^23869889772 is an apocalyptic number.

It is an amenable number.

23869889772 is an abundant number, since it is smaller than the sum of its proper divisors (36342466068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23869889772 is a wasteful number, since it uses less digits than its factorization.

23869889772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829590 (or 2829588 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 69.

The spelling of 23869889772 in words is "twenty-three billion, eight hundred sixty-nine million, eight hundred eighty-nine thousand, seven hundred seventy-two".