78755488 has 24 divisors (see below), whose sum is σ = 177200352. Its totient is φ = 33752256.

The previous prime is 78755483. The next prime is 78755507. The reversal of 78755488 is 88455787.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (78755483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175570 + ... + 176017.

It is an arithmetic number, because the mean of its divisors is an integer number (7383348).

Almost surely, 2^78755488 is an apocalyptic number.

It is an amenable number.

78755488 is an abundant number, since it is smaller than the sum of its proper divisors (98444864).

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

78755488 is a wasteful number, since it uses less digits than its factorization.

78755488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351604 (or 351596 counting only the distinct ones).

The product of its digits is 2508800, while the sum is 52.

The square root of 78755488 is about 8874.4288830324. The cubic root of 78755488 is about 428.6409008225.

The spelling of 78755488 in words is "seventy-eight million, seven hundred fifty-five thousand, four hundred eighty-eight".