28151463276 has 96 divisors (see below), whose sum is σ = 77367951360. Its totient is φ = 8821612800.

The previous prime is 28151463251. The next prime is 28151463281. The reversal of 28151463276 is 67236415182.

28151463276 is a `hidden beast` number, since 2 + 8 + 1 + 5 + 1 + 4 + 632 + 7 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1664181 + ... + 1681011.

It is an arithmetic number, because the mean of its divisors is an integer number (805916160).

Almost surely, 2^28151463276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28151463276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38683975680).

28151463276 is an abundant number, since it is smaller than the sum of its proper divisors (49216488084).

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

28151463276 is a wasteful number, since it uses less digits than its factorization.

28151463276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17772 (or 17764 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The spelling of 28151463276 in words is "twenty-eight billion, one hundred fifty-one million, four hundred sixty-three thousand, two hundred seventy-six".