872415235 has 4 divisors (see below), whose sum is σ = 1046898288. Its totient is φ = 697932184.

The previous prime is 872415211. The next prime is 872415239. The reversal of 872415235 is 532514278.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 872415235 - 2⁹ = 872414723 is a prime.

It is a super-2 number, since 2×872415235² = 1522216684520210450, 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 = 872415194 and 872415203.

It is not an unprimeable number, because it can be changed into a prime (872415239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87241519 + ... + 87241528.

It is an arithmetic number, because the mean of its divisors is an integer number (261724572).

Almost surely, 2^872415235 is an apocalyptic number.

872415235 is a deficient number, since it is larger than the sum of its proper divisors (174483053).

872415235 is a wasteful number, since it uses less digits than its factorization.

872415235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174483052.

The product of its digits is 67200, while the sum is 37.

The square root of 872415235 is about 29536.6760993853. The cubic root of 872415235 is about 955.5228572405.

The spelling of 872415235 in words is "eight hundred seventy-two million, four hundred fifteen thousand, two hundred thirty-five".