872690353 has 4 divisors (see below), whose sum is σ = 874105380. Its totient is φ = 871275328.

The previous prime is 872690321. The next prime is 872690363. The reversal of 872690353 is 353096278.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 353096278 = 2 ⋅176548139.

It can be written as a sum of positive squares in 2 ways, for example, as 147088384 + 725601969 = 12128^2 + 26937^2 .

It is a cyclic number.

It is not a de Polignac number, because 872690353 - 2⁵ = 872690321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (872690363) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 706588 + ... + 707821.

It is an arithmetic number, because the mean of its divisors is an integer number (218526345).

Almost surely, 2^872690353 is an apocalyptic number.

It is an amenable number.

872690353 is a deficient number, since it is larger than the sum of its proper divisors (1415027).

872690353 is a wasteful number, since it uses less digits than its factorization.

872690353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415026.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 872690353 is about 29541.3329590931. The cubic root of 872690353 is about 955.6232887393.

The spelling of 872690353 in words is "eight hundred seventy-two million, six hundred ninety thousand, three hundred fifty-three".