78295822 has 8 divisors (see below), whose sum is σ = 128120472. Its totient is φ = 35589000.

The previous prime is 78295817. The next prime is 78295823. The reversal of 78295822 is 22859287.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×78295822² = 12260471485311368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78295823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1779429 + ... + 1779472.

It is an arithmetic number, because the mean of its divisors is an integer number (16015059).

Almost surely, 2^78295822 is an apocalyptic number.

78295822 is a deficient number, since it is larger than the sum of its proper divisors (49824650).

78295822 is a wasteful number, since it uses less digits than its factorization.

78295822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3558914.

The product of its digits is 161280, while the sum is 43.

The square root of 78295822 is about 8848.4926399924. The cubic root of 78295822 is about 427.8053348014.

The spelling of 78295822 in words is "seventy-eight million, two hundred ninety-five thousand, eight hundred twenty-two".