814079089845 has 48 divisors (see below), whose sum is σ = 1707513799680. Its totient is φ = 350259236352.

The previous prime is 814079089801. The next prime is 814079089847. The reversal of 814079089845 is 548980970418.

It is not a de Polignac number, because 814079089845 - 2⁹ = 814079089333 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814079089847) 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, 76005765 + ... + 76016474.

It is an arithmetic number, because the mean of its divisors is an integer number (35573204160).

Almost surely, 2^814079089845 is an apocalyptic number.

814079089845 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

814079089845 is an abundant number, since it is smaller than the sum of its proper divisors (893434709835).

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

814079089845 is a wasteful number, since it uses less digits than its factorization.

814079089845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152022274 (or 152022271 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 63.

The spelling of 814079089845 in words is "eight hundred fourteen billion, seventy-nine million, eighty-nine thousand, eight hundred forty-five".