78426806204832 has 24 divisors (see below), whose sum is σ = 205870366287936. Its totient is φ = 26142268734912.

The previous prime is 78426806204827. The next prime is 78426806204863. The reversal of 78426806204832 is 23840260862487.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408472948888 + ... + 408472949079.

It is an arithmetic number, because the mean of its divisors is an integer number (8577931928664).

Almost surely, 2^{78426806204832} is an apocalyptic number.

It is an amenable number.

78426806204832 is an abundant number, since it is smaller than the sum of its proper divisors (127443560083104).

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

78426806204832 is a wasteful number, since it uses less digits than its factorization.

78426806204832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816945897980 (or 816945897972 counting only the distinct ones).

The product of its (nonzero) digits is 49545216, while the sum is 60.

The spelling of 78426806204832 in words is "seventy-eight trillion, four hundred twenty-six billion, eight hundred six million, two hundred four thousand, eight hundred thirty-two".