872404347 has 8 divisors (see below), whose sum is σ = 1177930240. Its totient is φ = 574240680.

The previous prime is 872404343. The next prime is 872404349. The reversal of 872404347 is 743404278.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 872404347 - 2² = 872404343 is a prime.

It is a super-2 number, since 2×872404347² = 1522178689328992818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (872404343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1840279 + ... + 1840752.

It is an arithmetic number, because the mean of its divisors is an integer number (147241280).

Almost surely, 2^872404347 is an apocalyptic number.

872404347 is a deficient number, since it is larger than the sum of its proper divisors (305525893).

872404347 is a wasteful number, since it uses less digits than its factorization.

872404347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3681113.

The product of its (nonzero) digits is 150528, while the sum is 39.

The square root of 872404347 is about 29536.4917855862. The cubic root of 872404347 is about 955.5188821547.

The spelling of 872404347 in words is "eight hundred seventy-two million, four hundred four thousand, three hundred forty-seven".