78773382 has 24 divisors (see below), whose sum is σ = 174840120. Its totient is φ = 25617120.

The previous prime is 78773381. The next prime is 78773389. The reversal of 78773382 is 28337787.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78773381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52632 + ... + 54107.

It is an arithmetic number, because the mean of its divisors is an integer number (7285005).

Almost surely, 2^78773382 is an apocalyptic number.

78773382 is an abundant number, since it is smaller than the sum of its proper divisors (96066738).

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

78773382 is a wasteful number, since it uses less digits than its factorization.

78773382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106788 (or 106785 counting only the distinct ones).

The product of its digits is 395136, while the sum is 45.

The square root of 78773382 is about 8875.4370033255. The cubic root of 78773382 is about 428.6733621346.

The spelling of 78773382 in words is "seventy-eight million, seven hundred seventy-three thousand, three hundred eighty-two".