878238151234279 has 8 divisors (see below), whose sum is σ = 958235743485072. Its totient is φ = 798266852370240.

The previous prime is 878238151234247. The next prime is 878238151234319. The reversal of 878238151234279 is 972432151832878.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 878238151234279 - 2⁵ = 878238151234247 is a prime.

It is a super-2 number, since 2×878238151234279² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878238151234219) 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, 6573276844 + ... + 6573410449.

It is an arithmetic number, because the mean of its divisors is an integer number (119779467935634).

Almost surely, 2^{878238151234279} is an apocalyptic number.

878238151234279 is a deficient number, since it is larger than the sum of its proper divisors (79997592250793).

878238151234279 is a wasteful number, since it uses less digits than its factorization.

878238151234279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13146693377.

The product of its digits is 325140480, while the sum is 70.

The spelling of 878238151234279 in words is "eight hundred seventy-eight trillion, two hundred thirty-eight billion, one hundred fifty-one million, two hundred thirty-four thousand, two hundred seventy-nine".