879342969243978 has 48 divisors (see below), whose sum is σ = 1949557449730176. Its totient is φ = 286296775369920.

The previous prime is 879342969243943. The next prime is 879342969244013.

It is a happy number.

879342969243978 is a `hidden beast` number, since 8 + 7 + 9 + 3 + 4 + 296 + 9 + 243 + 9 + 78 = 666.

879342969243978 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (879342969243943) and next prime (879342969244013).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 258783918 + ... + 262159878.

It is an arithmetic number, because the mean of its divisors is an integer number (40615780202712).

Almost surely, 2^{879342969243978} is an apocalyptic number.

879342969243978 is an abundant number, since it is smaller than the sum of its proper divisors (1070214480486198).

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

879342969243978 is a wasteful number, since it uses less digits than its factorization.

879342969243978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712539 (or 3712536 counting only the distinct ones).

The product of its digits is 71108222976, while the sum is 90.

The spelling of 879342969243978 in words is "eight hundred seventy-nine trillion, three hundred forty-two billion, nine hundred sixty-nine million, two hundred forty-three thousand, nine hundred seventy-eight".