147727195785 has 48 divisors (see below), whose sum is σ = 275857864464. Its totient is φ = 72700747776.

The previous prime is 147727195771. The next prime is 147727195789. The reversal of 147727195785 is 587591727741.

147727195785 is a `hidden beast` number, since 1 + 47 + 7 + 2 + 7 + 19 + 578 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 508412304 + 147218783481 = 22548^2 + 383691^2 .

It is not a de Polignac number, because 147727195785 - 2⁴ = 147727195769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147727195789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1612737 + ... + 1701873.

It is an arithmetic number, because the mean of its divisors is an integer number (5747038843).

Almost surely, 2^147727195785 is an apocalyptic number.

147727195785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

147727195785 is a deficient number, since it is larger than the sum of its proper divisors (128130668679).

147727195785 is a wasteful number, since it uses less digits than its factorization.

147727195785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91994 (or 91991 counting only the distinct ones).

The product of its digits is 34574400, while the sum is 63.

The spelling of 147727195785 in words is "one hundred forty-seven billion, seven hundred twenty-seven million, one hundred ninety-five thousand, seven hundred eighty-five".