8277451380 has 144 divisors (see below), whose sum is σ = 27426672000. Its totient is φ = 2004030720.

The previous prime is 8277451373. The next prime is 8277451397. The reversal of 8277451380 is 831547728.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1817346 + ... + 1821894.

It is an arithmetic number, because the mean of its divisors is an integer number (190463000).

Almost surely, 2^8277451380 is an apocalyptic number.

It is a pronic number, being equal to 90980×90981.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8277451380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13713336000).

8277451380 is an abundant number, since it is smaller than the sum of its proper divisors (19149220620).

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

8277451380 is a wasteful number, since it uses less digits than its factorization.

8277451380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5494 (or 5489 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 8277451380 is about 90980.4999986261. The cubic root of 8277451380 is about 2022.8586930656.

The spelling of 8277451380 in words is "eight billion, two hundred seventy-seven million, four hundred fifty-one thousand, three hundred eighty".