847080738 has 144 divisors (see below), whose sum is σ = 2223017784. Its totient is φ = 232243200.

The previous prime is 847080737. The next prime is 847080757. The reversal of 847080738 is 837080748.

It can be written as a sum of positive squares in 4 ways, for example, as 681366609 + 165714129 = 26103^2 + 12873^2 .

It is a junction number, because it is equal to n+sod(n) for n = 847080693 and 847080702.

It is not an unprimeable number, because it can be changed into a prime (847080733) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3295906 + ... + 3296162.

Almost surely, 2^847080738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 847080738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1111508892).

847080738 is an abundant number, since it is smaller than the sum of its proper divisors (1375937046).

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

847080738 is a wasteful number, since it uses less digits than its factorization.

847080738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 847080738 is about 29104.6514839123. The cubic root of 847080738 is about 946.1825524840.

The spelling of 847080738 in words is "eight hundred forty-seven million, eighty thousand, seven hundred thirty-eight".