78825762 has 48 divisors (see below), whose sum is σ = 177982272. Its totient is φ = 25189920.

The previous prime is 78825757. The next prime is 78825763. The reversal of 78825762 is 26752887.

78825762 is a `hidden beast` number, since 78 + 8 + 2 + 576 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (78825763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46453 + ... + 48119.

It is an arithmetic number, because the mean of its divisors is an integer number (3707964).

Almost surely, 2^78825762 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78825762, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88991136).

78825762 is an abundant number, since it is smaller than the sum of its proper divisors (99156510).

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

78825762 is a wasteful number, since it uses less digits than its factorization.

78825762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783 (or 1780 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

The square root of 78825762 is about 8878.3873535682. The cubic root of 78825762 is about 428.7683558796.

The spelling of 78825762 in words is "seventy-eight million, eight hundred twenty-five thousand, seven hundred sixty-two".