8732772378 has 128 divisors (see below), whose sum is σ = 22046688000. Its totient is φ = 2537982720.

The previous prime is 8732772371. The next prime is 8732772427.

8732772378 is a `hidden beast` number, since 87 + 327 + 7 + 237 + 8 = 666.

8732772378 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×8732772378² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8732772371) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2702868 + ... + 2706096.

It is an arithmetic number, because the mean of its divisors is an integer number (172239750).

Almost surely, 2^8732772378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8732772378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11023344000).

8732772378 is an abundant number, since it is smaller than the sum of its proper divisors (13313915622).

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

8732772378 is a wasteful number, since it uses less digits than its factorization.

8732772378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3437 (or 3431 counting only the distinct ones).

The product of its digits is 5531904, while the sum is 54.

The square root of 8732772378 is about 93449.3037855285. The cubic root of 8732772378 is about 2059.2893814678.

The spelling of 8732772378 in words is "eight billion, seven hundred thirty-two million, seven hundred seventy-two thousand, three hundred seventy-eight".