879226135681 has 8 divisors (see below), whose sum is σ = 880924366080. Its totient is φ = 877528728048.

The previous prime is 879226135657. The next prime is 879226135751. The reversal of 879226135681 is 186531622978.

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

It is a cyclic number.

It is not a de Polignac number, because 879226135681 - 2¹³ = 879226127489 is a prime.

It is a super-2 number, since 2×879226135681² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (879226139681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1955490 + ... + 2362708.

It is an arithmetic number, because the mean of its divisors is an integer number (110115545760).

Almost surely, 2^879226135681 is an apocalyptic number.

It is an amenable number.

879226135681 is a deficient number, since it is larger than the sum of its proper divisors (1698230399).

879226135681 is a wasteful number, since it uses less digits than its factorization.

879226135681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411383.

The product of its digits is 8709120, while the sum is 58.

The spelling of 879226135681 in words is "eight hundred seventy-nine billion, two hundred twenty-six million, one hundred thirty-five thousand, six hundred eighty-one".