187722828342 has 80 divisors (see below), whose sum is σ = 483508647072. Its totient is φ = 53325008640.

The previous prime is 187722828341. The next prime is 187722828401. The reversal of 187722828342 is 243828227781.

187722828342 is a `hidden beast` number, since 1 + 8 + 77 + 228 + 2 + 8 + 342 = 666.

187722828342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187722828341) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 282259 + ... + 674622.

Almost surely, 2^187722828342 is an apocalyptic number.

187722828342 is an abundant number, since it is smaller than the sum of its proper divisors (295785818730).

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

187722828342 is a wasteful number, since it uses less digits than its factorization.

187722828342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957075 (or 957066 counting only the distinct ones).

The product of its digits is 4816896, while the sum is 54.

It can be divided in two parts, 187722 and 828342, that added together give a square (1016064 = 1008²).

The spelling of 187722828342 in words is "one hundred eighty-seven billion, seven hundred twenty-two million, eight hundred twenty-eight thousand, three hundred forty-two".