78071818848804 has 96 divisors (see below), whose sum is σ = 220812499514880. Its totient is φ = 23657771757600.

The previous prime is 78071818848799. The next prime is 78071818848809. The reversal of 78071818848804 is 40884881817087.

78071818848804 is a `hidden beast` number, since 78 + 0 + 71 + 8 + 1 + 8 + 8 + 488 + 0 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (78071818848799) and next prime (78071818848809).

It is not an unprimeable number, because it can be changed into a prime (78071818848809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84892119 + ... + 85806849.

It is an arithmetic number, because the mean of its divisors is an integer number (2300130203280).

Almost surely, 2^{78071818848804} is an apocalyptic number.

It is an amenable number.

78071818848804 is an abundant number, since it is smaller than the sum of its proper divisors (142740680666076).

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

78071818848804 is a wasteful number, since it uses less digits than its factorization.

78071818848804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986598 (or 986590 counting only the distinct ones).

The product of its (nonzero) digits is 205520896, while the sum is 72.

The spelling of 78071818848804 in words is "seventy-eight trillion, seventy-one billion, eight hundred eighteen million, eight hundred forty-eight thousand, eight hundred four".