847777940760 has 128 divisors (see below), whose sum is σ = 2615504256000. Its totient is φ = 219745084416.

The previous prime is 847777940749. The next prime is 847777940771. The reversal of 847777940760 is 67049777748.

It is an interprime number because it is at equal distance from previous prime (847777940749) and next prime (847777940771).

It is a junction number, because it is equal to n+sod(n) for n = 847777940691 and 847777940700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42592 + ... + 1302831.

It is an arithmetic number, because the mean of its divisors is an integer number (20433627000).

Almost surely, 2^847777940760 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 847777940760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1307752128000).

847777940760 is an abundant number, since it is smaller than the sum of its proper divisors (1767726315240).

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

847777940760 is a wasteful number, since it uses less digits than its factorization.

847777940760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345585 (or 1345581 counting only the distinct ones).

The product of its (nonzero) digits is 116169984, while the sum is 66.

The spelling of 847777940760 in words is "eight hundred forty-seven billion, seven hundred seventy-seven million, nine hundred forty thousand, seven hundred sixty".