78599253 has 8 divisors (see below), whose sum is σ = 104967616. Its totient is φ = 52315200.

The previous prime is 78599239. The next prime is 78599267. The reversal of 78599253 is 35299587.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (78599239) and next prime (78599267).

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

It is not a de Polignac number, because 78599253 - 2⁵ = 78599221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78599203) 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, 18868 + ... + 22653.

It is an arithmetic number, because the mean of its divisors is an integer number (13120952).

Almost surely, 2^78599253 is an apocalyptic number.

It is an amenable number.

78599253 is a deficient number, since it is larger than the sum of its proper divisors (26368363).

78599253 is a wasteful number, since it uses less digits than its factorization.

78599253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42155.

The product of its digits is 680400, while the sum is 48.

The square root of 78599253 is about 8865.6219747968. The cubic root of 78599253 is about 428.3572674916.

The spelling of 78599253 in words is "seventy-eight million, five hundred ninety-nine thousand, two hundred fifty-three".