872028862 has 4 divisors (see below), whose sum is σ = 1308043296. Its totient is φ = 436014430.

The previous prime is 872028847. The next prime is 872028881. The reversal of 872028862 is 268820278.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 268820278 = 2 ⋅134410139.

It is a super-2 number, since 2×872028862² = 1520868672322030088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218007214 + ... + 218007217.

It is an arithmetic number, because the mean of its divisors is an integer number (327010824).

Almost surely, 2^872028862 is an apocalyptic number.

872028862 is a deficient number, since it is larger than the sum of its proper divisors (436014434).

872028862 is a wasteful number, since it uses less digits than its factorization.

872028862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436014433.

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 872028862 is about 29530.1348117478. The cubic root of 872028862 is about 955.3817765818.

The spelling of 872028862 in words is "eight hundred seventy-two million, twenty-eight thousand, eight hundred sixty-two".