8278195497 has 32 divisors (see below), whose sum is σ = 13002823680. Its totient is φ = 4618451520.

The previous prime is 8278195483. The next prime is 8278195501. The reversal of 8278195497 is 7945918728.

It is not a de Polignac number, because 8278195497 - 2¹⁰ = 8278194473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8278195497.

It is not an unprimeable number, because it can be changed into a prime (8278195417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131154 + ... + 183732.

It is an arithmetic number, because the mean of its divisors is an integer number (406338240).

Almost surely, 2^8278195497 is an apocalyptic number.

It is an amenable number.

8278195497 is a deficient number, since it is larger than the sum of its proper divisors (4724628183).

8278195497 is a wasteful number, since it uses less digits than its factorization.

8278195497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52973.

The product of its digits is 10160640, while the sum is 60.

The square root of 8278195497 is about 90984.5893379753. The cubic root of 8278195497 is about 2022.9193074733.

The spelling of 8278195497 in words is "eight billion, two hundred seventy-eight million, one hundred ninety-five thousand, four hundred ninety-seven".