78585852 has 24 divisors (see below), whose sum is σ = 184770432. Its totient is φ = 25994800.

The previous prime is 78585847. The next prime is 78585863. The reversal of 78585852 is 25858587.

It is a happy number.

It is a super-2 number, since 2×78585852² = 12351472269131808, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

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, 23424 + ... + 26567.

It is an arithmetic number, because the mean of its divisors is an integer number (7698768).

Almost surely, 2^78585852 is an apocalyptic number.

It is an amenable number.

78585852 is an abundant number, since it is smaller than the sum of its proper divisors (106184580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78585852 is a wasteful number, since it uses less digits than its factorization.

78585852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50129 (or 50127 counting only the distinct ones).

The product of its digits is 896000, while the sum is 48.

The square root of 78585852 is about 8864.8661580421. The cubic root of 78585852 is about 428.3329214502.

It can be divided in two parts, 7858585 and 2, that added together give a palindrome (7858587).

The spelling of 78585852 in words is "seventy-eight million, five hundred eighty-five thousand, eight hundred fifty-two".