8463771078 has 48 divisors (see below), whose sum is σ = 19754751744. Its totient is φ = 2410418640.

The previous prime is 8463770957. The next prime is 8463771091. The reversal of 8463771078 is 8701773648.

It is a self number, because there is not a number n which added to its sum of digits gives 8463771078.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45151 + ... + 137717.

It is an arithmetic number, because the mean of its divisors is an integer number (411557328).

Almost surely, 2^8463771078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8463771078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9877375872).

8463771078 is an abundant number, since it is smaller than the sum of its proper divisors (11290980666).

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

8463771078 is a wasteful number, since it uses less digits than its factorization.

8463771078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92897 (or 92890 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 51.

The square root of 8463771078 is about 91998.7558502831. The cubic root of 8463771078 is about 2037.9239322534.

The spelling of 8463771078 in words is "eight billion, four hundred sixty-three million, seven hundred seventy-one thousand, seventy-eight".