28226737982 has 8 divisors (see below), whose sum is σ = 42341039400. Its totient is φ = 14113058184.

The previous prime is 28226737969. The next prime is 28226737993. The reversal of 28226737982 is 28973762282.

It is a happy number.

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

It is a congruent number.

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, 17357 + ... + 238232.

It is an arithmetic number, because the mean of its divisors is an integer number (5292629925).

Almost surely, 2^28226737982 is an apocalyptic number.

28226737982 is a deficient number, since it is larger than the sum of its proper divisors (14114301418).

28226737982 is a wasteful number, since it uses less digits than its factorization.

28226737982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310810.

The product of its digits is 8128512, while the sum is 56.

The spelling of 28226737982 in words is "twenty-eight billion, two hundred twenty-six million, seven hundred thirty-seven thousand, nine hundred eighty-two".