147677505819 has 16 divisors (see below), whose sum is σ = 208950256800. Its totient is φ = 92454010880.

The previous prime is 147677505793. The next prime is 147677505851. The reversal of 147677505819 is 918505776741.

It is a cyclic number.

It is not a de Polignac number, because 147677505819 - 2¹⁵ = 147677473051 is a prime.

It is a super-2 number, since 2×147677505819² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (147677501819) 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 15 ways as a sum of consecutive naturals, for example, 3201642 + ... + 3247439.

It is an arithmetic number, because the mean of its divisors is an integer number (13059391050).

Almost surely, 2^147677505819 is an apocalyptic number.

147677505819 is a deficient number, since it is larger than the sum of its proper divisors (61272750981).

147677505819 is a wasteful number, since it uses less digits than its factorization.

147677505819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6449550.

The product of its (nonzero) digits is 14817600, while the sum is 60.

The spelling of 147677505819 in words is "one hundred forty-seven billion, six hundred seventy-seven million, five hundred five thousand, eight hundred nineteen".