8195910280 has 32 divisors (see below), whose sum is σ = 18443404440. Its totient is φ = 3277900800.

The previous prime is 8195910277. The next prime is 8195910287. The reversal of 8195910280 is 820195918.

It can be written as a sum of positive squares in 4 ways, for example, as 7942017924 + 253892356 = 89118^2 + 15934^2 .

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (8195910287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483712 + ... + 500368.

Almost surely, 2^8195910280 is an apocalyptic number.

It is an amenable number.

8195910280 is an abundant number, since it is smaller than the sum of its proper divisors (10247494160).

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

8195910280 is a wasteful number, since it uses less digits than its factorization.

8195910280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28969 (or 28965 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 43.

The square root of 8195910280 is about 90531.2668639957. The cubic root of 8195910280 is about 2016.1943738692.

The spelling of 8195910280 in words is "eight billion, one hundred ninety-five million, nine hundred ten thousand, two hundred eighty".