879578469 has 72 divisors (see below), whose sum is σ = 1664582400. Its totient is φ = 442108800.

The previous prime is 879578461. The next prime is 879578477. The reversal of 879578469 is 964875978.

879578469 is a `hidden beast` number, since 87 + 95 + 7 + 8 + 469 = 666.

It is an interprime number because it is at equal distance from previous prime (879578461) and next prime (879578477).

It is not a de Polignac number, because 879578469 - 2³ = 879578461 is a prime.

It is a super-2 number, since 2×879578469² = 1547316566256767922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879578461) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 147457 + ... + 153305.

It is an arithmetic number, because the mean of its divisors is an integer number (23119200).

Almost surely, 2^879578469 is an apocalyptic number.

It is an amenable number.

879578469 is a deficient number, since it is larger than the sum of its proper divisors (785003931).

879578469 is a wasteful number, since it uses less digits than its factorization.

879578469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5911 (or 5901 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 63.

The square root of 879578469 is about 29657.6881937888. The cubic root of 879578469 is about 958.1309369745.

The spelling of 879578469 in words is "eight hundred seventy-nine million, five hundred seventy-eight thousand, four hundred sixty-nine".