23878746873 has 12 divisors (see below), whose sum is σ = 36520436628. Its totient is φ = 14982743040.

The previous prime is 23878746863. The next prime is 23878746889. The reversal of 23878746873 is 37864787832.

23878746873 is a `hidden beast` number, since 2 + 38 + 78 + 7 + 468 + 73 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13940052624 + 9938694249 = 118068^2 + 99693^2 .

It is not a de Polignac number, because 23878746873 - 2¹² = 23878742777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23878746873.

It is not an unprimeable number, because it can be changed into a prime (23878746803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78034968 + ... + 78035273.

It is an arithmetic number, because the mean of its divisors is an integer number (3043369719).

Almost surely, 2^23878746873 is an apocalyptic number.

It is an amenable number.

23878746873 is a deficient number, since it is larger than the sum of its proper divisors (12641689755).

23878746873 is a wasteful number, since it uses less digits than its factorization.

23878746873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156070264 (or 156070261 counting only the distinct ones).

The product of its digits is 75866112, while the sum is 63.

The spelling of 23878746873 in words is "twenty-three billion, eight hundred seventy-eight million, seven hundred forty-six thousand, eight hundred seventy-three".