78875455 has 8 divisors (see below), whose sum is σ = 95180400. Its totient is φ = 62747136.

The previous prime is 78875437. The next prime is 78875483. The reversal of 78875455 is 55457887.

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 78875455 - 2¹³ = 78867263 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78875399 and 78875408.

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, 43170 + ... + 44959.

It is an arithmetic number, because the mean of its divisors is an integer number (11897550).

Almost surely, 2^78875455 is an apocalyptic number.

78875455 is a deficient number, since it is larger than the sum of its proper divisors (16304945).

78875455 is a wasteful number, since it uses less digits than its factorization.

78875455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88313.

The product of its digits is 1568000, while the sum is 49.

The square root of 78875455 is about 8881.1854501525. The cubic root of 78875455 is about 428.8584377240.

The spelling of 78875455 in words is "seventy-eight million, eight hundred seventy-five thousand, four hundred fifty-five".