178028065842 has 32 divisors (see below), whose sum is σ = 388464816384. Its totient is φ = 53942350800.

The previous prime is 178028065841. The next prime is 178028065871. The reversal of 178028065842 is 248560820871.

It is not an unprimeable number, because it can be changed into a prime (178028065841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 532353 + ... + 799659.

It is an arithmetic number, because the mean of its divisors is an integer number (12139525512).

Almost surely, 2^178028065842 is an apocalyptic number.

178028065842 is an abundant number, since it is smaller than the sum of its proper divisors (210436750542).

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

178028065842 is a wasteful number, since it uses less digits than its factorization.

178028065842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277414.

The product of its (nonzero) digits is 1720320, while the sum is 51.

The spelling of 178028065842 in words is "one hundred seventy-eight billion, twenty-eight million, sixty-five thousand, eight hundred forty-two".