872671272898 has 4 divisors (see below), whose sum is σ = 1309006909350. Its totient is φ = 436335636448.

The previous prime is 872671272841. The next prime is 872671272899. The reversal of 872671272898 is 898272176278.

It is a happy number.

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., 518006954529 + 354664318369 = 719727^2 + 595537^2 .

It is not an unprimeable number, because it can be changed into a prime (872671272899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218167818223 + ... + 218167818226.

Almost surely, 2^872671272898 is an apocalyptic number.

872671272898 is a deficient number, since it is larger than the sum of its proper divisors (436335636452).

872671272898 is a wasteful number, since it uses less digits than its factorization.

872671272898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436335636451.

The product of its digits is 75866112, while the sum is 67.

The spelling of 872671272898 in words is "eight hundred seventy-two billion, six hundred seventy-one million, two hundred seventy-two thousand, eight hundred ninety-eight".