8332780278 has 16 divisors (see below), whose sum is σ = 16667187696. Its totient is φ = 2777322240.

The previous prime is 8332780273. The next prime is 8332780283. The reversal of 8332780278 is 8720872338.

It is an interprime number because it is at equal distance from previous prime (8332780273) and next prime (8332780283).

It is a super-2 number, since 2×8332780278² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8332780271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4750 + ... + 129182.

It is an arithmetic number, because the mean of its divisors is an integer number (1041699231).

Almost surely, 2^8332780278 is an apocalyptic number.

8332780278 is an abundant number, since it is smaller than the sum of its proper divisors (8334407418).

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

8332780278 is a wasteful number, since it uses less digits than its factorization.

8332780278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135599.

The product of its (nonzero) digits is 903168, while the sum is 48.

The square root of 8332780278 is about 91284.0636584503. The cubic root of 8332780278 is about 2027.3558136089.

The spelling of 8332780278 in words is "eight billion, three hundred thirty-two million, seven hundred eighty thousand, two hundred seventy-eight".