78533428022344 has 16 divisors (see below), whose sum is σ = 147250271692800. Its totient is φ = 39266688904272.

The previous prime is 78533428022299. The next prime is 78533428022353. The reversal of 78533428022344 is 44322082433587.

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, 22001977 + ... + 25321015.

It is an arithmetic number, because the mean of its divisors is an integer number (9203141980800).

Almost surely, 2^{78533428022344} is an apocalyptic number.

It is an amenable number.

78533428022344 is a deficient number, since it is larger than the sum of its proper divisors (68716843670456).

78533428022344 is a wasteful number, since it uses less digits than its factorization.

78533428022344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6276732 (or 6276728 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 55.

The spelling of 78533428022344 in words is "seventy-eight trillion, five hundred thirty-three billion, four hundred twenty-eight million, twenty-two thousand, three hundred forty-four".