8261254379 has 8 divisors (see below), whose sum is σ = 9851930880. Its totient is φ = 6773202216.

The previous prime is 8261254367. The next prime is 8261254423. The reversal of 8261254379 is 9734521628.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8261254379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8261254349) 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, 25655909 + ... + 25656230.

It is an arithmetic number, because the mean of its divisors is an integer number (1231491360).

Almost surely, 2^8261254379 is an apocalyptic number.

8261254379 is a deficient number, since it is larger than the sum of its proper divisors (1590676501).

8261254379 is a wasteful number, since it uses less digits than its factorization.

8261254379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51312169.

The product of its digits is 725760, while the sum is 47.

The square root of 8261254379 is about 90891.4428260439. The cubic root of 8261254379 is about 2021.5384139668.

The spelling of 8261254379 in words is "eight billion, two hundred sixty-one million, two hundred fifty-four thousand, three hundred seventy-nine".