878140312482135 has 32 divisors (see below), whose sum is σ = 1421973977211648. Its totient is φ = 462691844651520.

The previous prime is 878140312482113. The next prime is 878140312482137. The reversal of 878140312482135 is 531284213041878.

It is not a de Polignac number, because 878140312482135 - 2¹⁰ = 878140312481111 is a prime.

It is a super-2 number, since 2×878140312482135² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878140312482137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77678655 + ... + 88262415.

It is an arithmetic number, because the mean of its divisors is an integer number (44436686787864).

Almost surely, 2^{878140312482135} is an apocalyptic number.

878140312482135 is a deficient number, since it is larger than the sum of its proper divisors (543833664729513).

878140312482135 is a wasteful number, since it uses less digits than its factorization.

878140312482135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10650495.

The product of its (nonzero) digits is 10321920, while the sum is 57.

The spelling of 878140312482135 in words is "eight hundred seventy-eight trillion, one hundred forty billion, three hundred twelve million, four hundred eighty-two thousand, one hundred thirty-five".