78763932 has 144 divisors (see below), whose sum is σ = 227485440. Its totient is φ = 22809600.

The previous prime is 78763931. The next prime is 78763939. The reversal of 78763932 is 23936787.

It is a happy number.

78763932 is a `hidden beast` number, since 7 + 8 + 7 + 639 + 3 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78763931) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 884944 + ... + 885032.

It is an arithmetic number, because the mean of its divisors is an integer number (1579760).

Almost surely, 2^78763932 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78763932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113742720).

78763932 is an abundant number, since it is smaller than the sum of its proper divisors (148721508).

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

78763932 is a wasteful number, since it uses less digits than its factorization.

78763932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 199 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 78763932 is about 8874.9046192058. The cubic root of 78763932 is about 428.6562196043.

The spelling of 78763932 in words is "seventy-eight million, seven hundred sixty-three thousand, nine hundred thirty-two".