8734947078 has 32 divisors (see below), whose sum is σ = 20524073472. Its totient is φ = 2443341600.

The previous prime is 8734947071. The next prime is 8734947139. The reversal of 8734947078 is 8707494378.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8734947071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5089438 + ... + 5091153.

It is an arithmetic number, because the mean of its divisors is an integer number (641377296).

Almost surely, 2^8734947078 is an apocalyptic number.

8734947078 is an abundant number, since it is smaller than the sum of its proper divisors (11789126394).

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

8734947078 is a wasteful number, since it uses less digits than its factorization.

8734947078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10180620.

The product of its (nonzero) digits is 9483264, while the sum is 57.

The square root of 8734947078 is about 93460.9387819318. The cubic root of 8734947078 is about 2059.4603071385.

The spelling of 8734947078 in words is "eight billion, seven hundred thirty-four million, nine hundred forty-seven thousand, seventy-eight".