178077312234 has 24 divisors (see below), whose sum is σ = 389248642692. Its totient is φ = 58833801600.

The previous prime is 178077312227. The next prime is 178077312269. The reversal of 178077312234 is 432213770871.

178077312234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 172264012209 + 5813300025 = 415047^2 + 76245^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 178077312234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43773117 + ... + 43777184.

Almost surely, 2^178077312234 is an apocalyptic number.

178077312234 is an abundant number, since it is smaller than the sum of its proper divisors (211171330458).

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

178077312234 is a wasteful number, since it uses less digits than its factorization.

178077312234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87550422 (or 87550419 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The spelling of 178077312234 in words is "one hundred seventy-eight billion, seventy-seven million, three hundred twelve thousand, two hundred thirty-four".