79858285 has 8 divisors (see below), whose sum is σ = 103201560. Its totient is φ = 58972224.

The previous prime is 79858271. The next prime is 79858291. The reversal of 79858285 is 58285897.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1340964 + 78517321 = 1158^2 + 8861^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 79858285 - 2⁷ = 79858157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614230 + ... + 614359.

It is an arithmetic number, because the mean of its divisors is an integer number (12900195).

Almost surely, 2^79858285 is an apocalyptic number.

It is an amenable number.

79858285 is a deficient number, since it is larger than the sum of its proper divisors (23343275).

79858285 is a wasteful number, since it uses less digits than its factorization.

79858285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228607.

The product of its digits is 1612800, while the sum is 52.

The square root of 79858285 is about 8936.3462891721. The cubic root of 79858285 is about 430.6323578628.

The spelling of 79858285 in words is "seventy-nine million, eight hundred fifty-eight thousand, two hundred eighty-five".