879840254 has 8 divisors (see below), whose sum is σ = 1329255480. Its totient is φ = 436755096.

The previous prime is 879840217. The next prime is 879840263. The reversal of 879840254 is 452048978.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 879840199 and 879840208.

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, 1582169 + ... + 1582724.

It is an arithmetic number, because the mean of its divisors is an integer number (166156935).

Almost surely, 2^879840254 is an apocalyptic number.

879840254 is a deficient number, since it is larger than the sum of its proper divisors (449415226).

879840254 is a wasteful number, since it uses less digits than its factorization.

879840254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3165034.

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 879840254 is about 29662.1013078979. The cubic root of 879840254 is about 958.2259822856.

The spelling of 879840254 in words is "eight hundred seventy-nine million, eight hundred forty thousand, two hundred fifty-four".