78875453 has 8 divisors (see below), whose sum is σ = 81846072. Its totient is φ = 75949056.

The previous prime is 78875437. The next prime is 78875483. The reversal of 78875453 is 35457887.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23551609 + 55323844 = 4853^2 + 7438^2 .

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 78875453 - 2⁴ = 78875437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78875398 and 78875407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78875413) 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, 7400 + ... + 14577.

It is an arithmetic number, because the mean of its divisors is an integer number (10230759).

Almost surely, 2^78875453 is an apocalyptic number.

It is an amenable number.

78875453 is a deficient number, since it is larger than the sum of its proper divisors (2970619).

78875453 is a wasteful number, since it uses less digits than its factorization.

78875453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22111.

The product of its digits is 940800, while the sum is 47.

The square root of 78875453 is about 8881.1853375549. The cubic root of 78875453 is about 428.8584340993.

The spelling of 78875453 in words is "seventy-eight million, eight hundred seventy-five thousand, four hundred fifty-three".