872633505 has 16 divisors (see below), whose sum is σ = 1400439744. Its totient is φ = 463995840.

The previous prime is 872633497. The next prime is 872633533. The reversal of 872633505 is 505336278.

It is not a de Polignac number, because 872633505 - 2³ = 872633497 is a prime.

It is a super-2 number, since 2×872633505² = 1522978468097170050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82914 + ... + 92843.

It is an arithmetic number, because the mean of its divisors is an integer number (87527484).

Almost surely, 2^872633505 is an apocalyptic number.

It is an amenable number.

872633505 is a deficient number, since it is larger than the sum of its proper divisors (527806239).

872633505 is a wasteful number, since it uses less digits than its factorization.

872633505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176096.

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 872633505 is about 29540.3707661228. The cubic root of 872633505 is about 955.6025381748.

The spelling of 872633505 in words is "eight hundred seventy-two million, six hundred thirty-three thousand, five hundred five".