878140321411260 has 24 divisors (see below), whose sum is σ = 2458792899951696. Its totient is φ = 234170752376320.

The previous prime is 878140321411253. The next prime is 878140321411261. The reversal of 878140321411260 is 62114123041878.

It is a super-2 number, since 2×878140321411260² (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 (878140321411261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7317836011701 + ... + 7317836011820.

It is an arithmetic number, because the mean of its divisors is an integer number (102449704164654).

Almost surely, 2^{878140321411260} is an apocalyptic number.

It is an amenable number.

878140321411260 is an abundant number, since it is smaller than the sum of its proper divisors (1580652578540436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

878140321411260 is a wasteful number, since it uses less digits than its factorization.

878140321411260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14635672023533 (or 14635672023531 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The spelling of 878140321411260 in words is "eight hundred seventy-eight trillion, one hundred forty billion, three hundred twenty-one million, four hundred eleven thousand, two hundred sixty".