879611101121 has 4 divisors (see below), whose sum is σ = 879616780500. Its totient is φ = 879605421744.

The previous prime is 879611101081. The next prime is 879611101139. The reversal of 879611101121 is 121101116978.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 545138572225 + 334472528896 = 738335^2 + 578336^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-879611101121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (879611101021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2600666 + ... + 2919363.

It is an arithmetic number, because the mean of its divisors is an integer number (219904195125).

Almost surely, 2^879611101121 is an apocalyptic number.

It is an amenable number.

879611101121 is a deficient number, since it is larger than the sum of its proper divisors (5679379).

879611101121 is a wasteful number, since it uses less digits than its factorization.

879611101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5679378.

The product of its (nonzero) digits is 6048, while the sum is 38.

The spelling of 879611101121 in words is "eight hundred seventy-nine billion, six hundred eleven million, one hundred one thousand, one hundred twenty-one".