147819486887 has 4 divisors (see below), whose sum is σ = 147820682016. Its totient is φ = 147818291760.

The previous prime is 147819486883. The next prime is 147819486907. The reversal of 147819486887 is 788684918741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 788684918741 = 251 ⋅3142170991.

It is a cyclic number.

It is not a de Polignac number, because 147819486887 - 2² = 147819486883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 147819486887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147819486883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387398 + ... + 667619.

It is an arithmetic number, because the mean of its divisors is an integer number (36955170504).

Almost surely, 2^147819486887 is an apocalyptic number.

147819486887 is a deficient number, since it is larger than the sum of its proper divisors (1195129).

147819486887 is a wasteful number, since it uses less digits than its factorization.

147819486887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195128.

The product of its digits is 173408256, while the sum is 71.

The spelling of 147819486887 in words is "one hundred forty-seven billion, eight hundred nineteen million, four hundred eighty-six thousand, eight hundred eighty-seven".