78796089906 has 32 divisors (see below), whose sum is σ = 159181200000. Its totient is φ = 26000620800.

The previous prime is 78796089871. The next prime is 78796089907. The reversal of 78796089906 is 60998069787.

It is not an unprimeable number, because it can be changed into a prime (78796089907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5446170 + ... + 5460618.

It is an arithmetic number, because the mean of its divisors is an integer number (4974412500).

Almost surely, 2^78796089906 is an apocalyptic number.

78796089906 is an abundant number, since it is smaller than the sum of its proper divisors (80385110094).

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

78796089906 is a wasteful number, since it uses less digits than its factorization.

78796089906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23554.

The product of its (nonzero) digits is 82301184, while the sum is 69.

The spelling of 78796089906 in words is "seventy-eight billion, seven hundred ninety-six million, eighty-nine thousand, nine hundred six".