8332723278 has 96 divisors (see below), whose sum is σ = 19951626240. Its totient is φ = 2492406720.

The previous prime is 8332723271. The next prime is 8332723283. The reversal of 8332723278 is 8723272338.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8332723271) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9768300 + ... + 9769152.

It is an arithmetic number, because the mean of its divisors is an integer number (207829440).

Almost surely, 2^8332723278 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8332723278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9975813120).

8332723278 is an abundant number, since it is smaller than the sum of its proper divisors (11618902962).

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

8332723278 is a wasteful number, since it uses less digits than its factorization.

8332723278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454 (or 1451 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 8332723278 is about 91283.7514456982. The cubic root of 8332723278 is about 2027.3511909203.

The spelling of 8332723278 in words is "eight billion, three hundred thirty-two million, seven hundred twenty-three thousand, two hundred seventy-eight".