78808801445 has 16 divisors (see below), whose sum is σ = 108597775680. Its totient is φ = 54298886400.

The previous prime is 78808801441. The next prime is 78808801447. The reversal of 78808801445 is 54410880887.

It is not a de Polignac number, because 78808801445 - 2² = 78808801441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78808801441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37706516 + ... + 37708605.

It is an arithmetic number, because the mean of its divisors is an integer number (6787360980).

Almost surely, 2^78808801445 is an apocalyptic number.

It is an amenable number.

78808801445 is a deficient number, since it is larger than the sum of its proper divisors (29788974235).

78808801445 is a wasteful number, since it uses less digits than its factorization.

78808801445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75415156.

The product of its (nonzero) digits is 2293760, while the sum is 53.

The spelling of 78808801445 in words is "seventy-eight billion, eight hundred eight million, eight hundred one thousand, four hundred forty-five".