28872815954 has 8 divisors (see below), whose sum is σ = 43320320688. Its totient is φ = 14432709060.

The previous prime is 28872815893. The next prime is 28872815969. The reversal of 28872815954 is 45951827882.

It is a happy number.

28872815954 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×28872815954² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28872815893 and 28872815902.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1839692 + ... + 1855319.

It is an arithmetic number, because the mean of its divisors is an integer number (5415040086).

Almost surely, 2^28872815954 is an apocalyptic number.

28872815954 is a deficient number, since it is larger than the sum of its proper divisors (14447504734).

28872815954 is a wasteful number, since it uses less digits than its factorization.

28872815954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3698920.

The product of its digits is 12902400, while the sum is 59.

The spelling of 28872815954 in words is "twenty-eight billion, eight hundred seventy-two million, eight hundred fifteen thousand, nine hundred fifty-four".