162547787947 has 8 divisors (see below), whose sum is σ = 163182452400. Its totient is φ = 161913548640.

The previous prime is 162547787923. The next prime is 162547787951. The reversal of 162547787947 is 749787745261.

162547787947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 162547787947 - 2¹¹ = 162547785899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162547787917) 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 7 ways as a sum of consecutive naturals, for example, 670929 + ... + 880477.

It is an arithmetic number, because the mean of its divisors is an integer number (20397806550).

Almost surely, 2^162547787947 is an apocalyptic number.

162547787947 is a deficient number, since it is larger than the sum of its proper divisors (634664453).

162547787947 is a wasteful number, since it uses less digits than its factorization.

162547787947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212573.

The product of its digits is 165957120, while the sum is 67.

The spelling of 162547787947 in words is "one hundred sixty-two billion, five hundred forty-seven million, seven hundred eighty-seven thousand, nine hundred forty-seven".