825477012387 has 20 divisors (see below), whose sum is σ = 1234430531136. Its totient is φ = 549733134960.

The previous prime is 825477012361. The next prime is 825477012439. The reversal of 825477012387 is 783210774528.

825477012387 is a `hidden beast` number, since 8 + 2 + 547 + 7 + 0 + 12 + 3 + 87 = 666.

It is not a de Polignac number, because 825477012387 - 2¹⁵ = 825476979619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (825477012307) 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 19 ways as a sum of consecutive naturals, for example, 5338803 + ... + 5491244.

Almost surely, 2^825477012387 is an apocalyptic number.

825477012387 is a deficient number, since it is larger than the sum of its proper divisors (408953518749).

825477012387 is a wasteful number, since it uses less digits than its factorization.

825477012387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10831000 (or 10830991 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 54.

The spelling of 825477012387 in words is "eight hundred twenty-five billion, four hundred seventy-seven million, twelve thousand, three hundred eighty-seven".