879148220245 has 4 divisors (see below), whose sum is σ = 1054977864300. Its totient is φ = 703318576192.

The previous prime is 879148220101. The next prime is 879148220263. The reversal of 879148220245 is 542022841978.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542022841978 = 2 ⋅271011420989.

It can be written as a sum of positive squares in 2 ways, for example, as 279047006001 + 600101214244 = 528249^2 + 774662^2 .

It is a cyclic number.

It is not a de Polignac number, because 879148220245 - 2²³ = 879139831637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 879148220192 and 879148220201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87914822020 + ... + 87914822029.

It is an arithmetic number, because the mean of its divisors is an integer number (263744466075).

Almost surely, 2^879148220245 is an apocalyptic number.

It is an amenable number.

879148220245 is a deficient number, since it is larger than the sum of its proper divisors (175829644055).

879148220245 is a wasteful number, since it uses less digits than its factorization.

879148220245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175829644054.

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 879148220245 in words is "eight hundred seventy-nine billion, one hundred forty-eight million, two hundred twenty thousand, two hundred forty-five".