8078969844 has 36 divisors (see below), whose sum is σ = 22278372480. Its totient is φ = 2448172560.

The previous prime is 8078969827. The next prime is 8078969863. The reversal of 8078969844 is 4489698708.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×8078969844² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10200324 + ... + 10201115.

It is an arithmetic number, because the mean of its divisors is an integer number (618843680).

Almost surely, 2^8078969844 is an apocalyptic number.

It is an amenable number.

8078969844 is an abundant number, since it is smaller than the sum of its proper divisors (14199402636).

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

8078969844 is a wasteful number, since it uses less digits than its factorization.

8078969844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20401460 (or 20401455 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 63.

The square root of 8078969844 is about 89883.0898667819. The cubic root of 8078969844 is about 2006.5592847081.

The spelling of 8078969844 in words is "eight billion, seventy-eight million, nine hundred sixty-nine thousand, eight hundred forty-four".