879385551 has 8 divisors (see below), whose sum is σ = 1279106304. Its totient is φ = 532960920.

The previous prime is 879385547. The next prime is 879385553. The reversal of 879385551 is 155583978.

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

It is not a de Polignac number, because 879385551 - 2² = 879385547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 879385494 and 879385503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879385553) 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, 13323991 + ... + 13324056.

It is an arithmetic number, because the mean of its divisors is an integer number (159888288).

Almost surely, 2^879385551 is an apocalyptic number.

879385551 is a deficient number, since it is larger than the sum of its proper divisors (399720753).

879385551 is a wasteful number, since it uses less digits than its factorization.

879385551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26648061.

The product of its digits is 1512000, while the sum is 51.

The square root of 879385551 is about 29654.4356041385. The cubic root of 879385551 is about 958.0608828801.

The spelling of 879385551 in words is "eight hundred seventy-nine million, three hundred eighty-five thousand, five hundred fifty-one".