878140312482137 has 2 divisors, whose sum is σ = 878140312482138. Its totient is φ = 878140312482136.

The previous prime is 878140312482113. The next prime is 878140312482157. The reversal of 878140312482137 is 731284213041878.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 616822127497216 + 261318184984921 = 24835904^2 + 16165339^2 .

It is a cyclic number.

It is not a de Polignac number, because 878140312482137 - 2³⁸ = 877865434575193 is a prime.

It is a super-2 number, since 2×878140312482137² (a number of 31 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (878140312482107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439070156241068 + 439070156241069.

It is an arithmetic number, because the mean of its divisors is an integer number (439070156241069).

Almost surely, 2^{878140312482137} is an apocalyptic number.

It is an amenable number.

878140312482137 is a deficient number, since it is larger than the sum of its proper divisors (1).

878140312482137 is an equidigital number, since it uses as much as digits as its factorization.

878140312482137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14450688, while the sum is 59.

The spelling of 878140312482137 in words is "eight hundred seventy-eight trillion, one hundred forty billion, three hundred twelve million, four hundred eighty-two thousand, one hundred thirty-seven".