8276121504 has 72 divisors (see below), whose sum is σ = 26897401440. Its totient is φ = 2364605568.

The previous prime is 8276121499. The next prime is 8276121521. The reversal of 8276121504 is 4051216728.

8276121504 is a `hidden beast` number, since 8 + 27 + 6 + 121 + 504 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2050594 + ... + 2054625.

It is an arithmetic number, because the mean of its divisors is an integer number (373575020).

Almost surely, 2^8276121504 is an apocalyptic number.

8276121504 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

8276121504 is an abundant number, since it is smaller than the sum of its proper divisors (18621279936).

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

8276121504 is a wasteful number, since it uses less digits than its factorization.

8276121504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4105242 (or 4105231 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 8276121504 is about 90973.1911279361. The cubic root of 8276121504 is about 2022.7503547545.

The spelling of 8276121504 in words is "eight billion, two hundred seventy-six million, one hundred twenty-one thousand, five hundred four".