80078947415442 has 24 divisors (see below), whose sum is σ = 182636195860560. Its totient is φ = 25288088657400.

The previous prime is 80078947415431. The next prime is 80078947415449. The reversal of 80078947415442 is 24451474987008.

80078947415442 is a `hidden beast` number, since 8 + 0 + 0 + 7 + 8 + 9 + 47 + 41 + 544 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 80078947415442.

It is not an unprimeable number, because it can be changed into a prime (80078947415449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117074484184 + ... + 117074484867.

It is an arithmetic number, because the mean of its divisors is an integer number (7609841494190).

Almost surely, 2^{80078947415442} is an apocalyptic number.

80078947415442 is an abundant number, since it is smaller than the sum of its proper divisors (102557248445118).

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

80078947415442 is a wasteful number, since it uses less digits than its factorization.

80078947415442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234148969078 (or 234148969075 counting only the distinct ones).

The product of its (nonzero) digits is 72253440, while the sum is 63.

The spelling of 80078947415442 in words is "eighty trillion, seventy-eight billion, nine hundred forty-seven million, four hundred fifteen thousand, four hundred forty-two".