8195715892 has 288 divisors, whose sum is σ = 20134625280. Its totient is φ = 2880541440.

The previous prime is 8195715887. The next prime is 8195715893. The reversal of 8195715892 is 2985175918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8195715893) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 64533133 + ... + 64533259.

Almost surely, 2^8195715892 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 8195715892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10067312640).

8195715892 is an abundant number, since it is smaller than the sum of its proper divisors (11938909388).

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

8195715892 is a wasteful number, since it uses less digits than its factorization.

8195715892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 242 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 55.

The square root of 8195715892 is about 90530.1932616958. The cubic root of 8195715892 is about 2016.1784339236.

The spelling of 8195715892 in words is "eight billion, one hundred ninety-five million, seven hundred fifteen thousand, eight hundred ninety-two".