82387147551 has 16 divisors (see below), whose sum is σ = 115805687808. Its totient is φ = 52022080800.

The previous prime is 82387147511. The next prime is 82387147627. The reversal of 82387147551 is 15574178328.

It is a de Polignac number, because none of the positive numbers 2^k-82387147551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82387147494 and 82387147503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82387147501) 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 15 ways as a sum of consecutive naturals, for example, 9419920 + ... + 9428661.

It is an arithmetic number, because the mean of its divisors is an integer number (7237855488).

Almost surely, 2^82387147551 is an apocalyptic number.

82387147551 is a deficient number, since it is larger than the sum of its proper divisors (33418540257).

82387147551 is a wasteful number, since it uses less digits than its factorization.

82387147551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18848662.

The product of its digits is 1881600, while the sum is 51.

The spelling of 82387147551 in words is "eighty-two billion, three hundred eighty-seven million, one hundred forty-seven thousand, five hundred fifty-one".