8130078432 has 144 divisors (see below), whose sum is σ = 27584338320. Its totient is φ = 2322867456.

The previous prime is 8130078389. The next prime is 8130078443. The reversal of 8130078432 is 2348700318.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53683 + ... + 138354.

It is an arithmetic number, because the mean of its divisors is an integer number (191557905).

Almost surely, 2^8130078432 is an apocalyptic number.

It is an amenable number.

8130078432 is an abundant number, since it is smaller than the sum of its proper divisors (19454259888).

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

8130078432 is a wasteful number, since it uses less digits than its factorization.

8130078432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192070 (or 192049 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 8130078432 is about 90166.9475584041. The cubic root of 8130078432 is about 2010.7816429791.

The spelling of 8130078432 in words is "eight billion, one hundred thirty million, seventy-eight thousand, four hundred thirty-two".