878140312482113 has 2 divisors, whose sum is σ = 878140312482114. Its totient is φ = 878140312482112.

The previous prime is 878140312482109. The next prime is 878140312482137. The reversal of 878140312482113 is 311284213041878.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 603432494208769 + 274707818273344 = 24564863^2 + 16574312^2 .

It is a cyclic number.

It is not a de Polignac number, because 878140312482113 - 2² = 878140312482109 is a prime.

It is a super-2 number, since 2×878140312482113² (a number of 31 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (878140312482193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439070156241056 + 439070156241057.

It is an arithmetic number, because the mean of its divisors is an integer number (439070156241057).

Almost surely, 2^{878140312482113} is an apocalyptic number.

It is an amenable number.

878140312482113 is a deficient number, since it is larger than the sum of its proper divisors (1).

878140312482113 is an equidigital number, since it uses as much as digits as its factorization.

878140312482113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2064384, while the sum is 53.

The spelling of 878140312482113 in words is "eight hundred seventy-eight trillion, one hundred forty billion, three hundred twelve million, four hundred eighty-two thousand, one hundred thirteen".