879211975357 has 4 divisors (see below), whose sum is σ = 879284071836. Its totient is φ = 879139878880.

The previous prime is 879211975339. The next prime is 879211975379. The reversal of 879211975357 is 753579112978.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 753579112978 = 2 ⋅376789556489.

It can be written as a sum of positive squares in 2 ways, for example, as 291404552761 + 587807422596 = 539819^2 + 766686^2 .

It is a cyclic number.

It is not a de Polignac number, because 879211975357 - 2¹⁵ = 879211942589 is a prime.

It is a super-2 number, since 2×879211975357² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879211975307) 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, 36029944 + ... + 36054337.

It is an arithmetic number, because the mean of its divisors is an integer number (219821017959).

Almost surely, 2^879211975357 is an apocalyptic number.

It is an amenable number.

879211975357 is a deficient number, since it is larger than the sum of its proper divisors (72096479).

879211975357 is a wasteful number, since it uses less digits than its factorization.

879211975357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72096478.

The product of its digits is 33339600, while the sum is 64.

The spelling of 879211975357 in words is "eight hundred seventy-nine billion, two hundred eleven million, nine hundred seventy-five thousand, three hundred fifty-seven".