287725069725 has 36 divisors (see below), whose sum is σ = 477345239616. Its totient is φ = 152926216640.

The previous prime is 287725069721. The next prime is 287725069739. The reversal of 287725069725 is 527960527782.

It is not a de Polignac number, because 287725069725 - 2² = 287725069721 is a prime.

It is a super-2 number, since 2×287725069725² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287725069721) 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 35 ways as a sum of consecutive naturals, for example, 6416332 + ... + 6461018.

Almost surely, 2^287725069725 is an apocalyptic number.

287725069725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

287725069725 is a deficient number, since it is larger than the sum of its proper divisors (189620169891).

287725069725 is an equidigital number, since it uses as much as digits as its factorization.

287725069725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45286 (or 44988 counting only the distinct ones).

The product of its (nonzero) digits is 29635200, while the sum is 60.

The spelling of 287725069725 in words is "two hundred eighty-seven billion, seven hundred twenty-five million, sixty-nine thousand, seven hundred twenty-five".