879755133962381 has 2 divisors, whose sum is σ = 879755133962382. Its totient is φ = 879755133962380.

The previous prime is 879755133962359. The next prime is 879755133962401. The reversal of 879755133962381 is 183269331557978.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 609156252950281 + 270598881012100 = 24681091^2 + 16449890^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-879755133962381 is a prime.

It is a super-2 number, since 2×879755133962381² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (879755133992381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439877566981190 + 439877566981191.

It is an arithmetic number, because the mean of its divisors is an integer number (439877566981191).

Almost surely, 2^{879755133962381} is an apocalyptic number.

It is an amenable number.

879755133962381 is a deficient number, since it is larger than the sum of its proper divisors (1).

879755133962381 is an equidigital number, since it uses as much as digits as its factorization.

879755133962381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2057529600, while the sum is 77.

The spelling of 879755133962381 in words is "eight hundred seventy-nine trillion, seven hundred fifty-five billion, one hundred thirty-three million, nine hundred sixty-two thousand, three hundred eighty-one".