872512027 has 4 divisors (see below), whose sum is σ = 872817136. Its totient is φ = 872206920.

The previous prime is 872512013. The next prime is 872512049. The reversal of 872512027 is 720215278.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 720215278 = 2 ⋅360107639.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-872512027 is a prime.

It is a super-2 number, since 2×872512027² = 1522554474519297458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 872511983 and 872512001.

It is not an unprimeable number, because it can be changed into a prime (872512127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148224 + ... + 153997.

It is an arithmetic number, because the mean of its divisors is an integer number (218204284).

Almost surely, 2^872512027 is an apocalyptic number.

872512027 is a deficient number, since it is larger than the sum of its proper divisors (305109).

872512027 is a wasteful number, since it uses less digits than its factorization.

872512027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305108.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 872512027 is about 29538.3145592297. The cubic root of 872512027 is about 955.5581934521.

The spelling of 872512027 in words is "eight hundred seventy-two million, five hundred twelve thousand, twenty-seven".