872061466 has 4 divisors (see below), whose sum is σ = 1308092202. Its totient is φ = 436030732.

The previous prime is 872061433. The next prime is 872061479. The reversal of 872061466 is 664160278.

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

It can be written as a sum of positive squares in only one way, i.e., 702515025 + 169546441 = 26505^2 + 13021^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 218015365 + ... + 218015368.

Almost surely, 2^872061466 is an apocalyptic number.

872061466 is a deficient number, since it is larger than the sum of its proper divisors (436030736).

872061466 is a wasteful number, since it uses less digits than its factorization.

872061466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436030735.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 872061466 is about 29530.6868528316. The cubic root of 872061466 is about 955.3936832516.

The spelling of 872061466 in words is "eight hundred seventy-two million, sixty-one thousand, four hundred sixty-six".