8278674792570 has 512 divisors, whose sum is σ = 27782549544960. Its totient is φ = 1707833548800.

The previous prime is 8278674792547. The next prime is 8278674792643. The reversal of 8278674792570 is 752974768728.

It is a happy number.

8278674792570 is a `hidden beast` number, since 8 + 2 + 7 + 8 + 6 + 7 + 47 + 9 + 2 + 570 = 666.

It is a super-2 number, since 2×8278674792570² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 197792145 + ... + 197833995.

It is an arithmetic number, because the mean of its divisors is an integer number (54262792080).

Almost surely, 2^{8278674792570} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8278674792570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13891274772480).

8278674792570 is an abundant number, since it is smaller than the sum of its proper divisors (19503874752390).

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

8278674792570 is a wasteful number, since it uses less digits than its factorization.

8278674792570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42067 (or 42061 counting only the distinct ones).

The product of its (nonzero) digits is 663828480, while the sum is 72.

The spelling of 8278674792570 in words is "eight trillion, two hundred seventy-eight billion, six hundred seventy-four million, seven hundred ninety-two thousand, five hundred seventy".