872720822 has 8 divisors (see below), whose sum is σ = 1316314272. Its totient is φ = 433949400.

The previous prime is 872720803. The next prime is 872720833. The reversal of 872720822 is 228027278.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1205054 + ... + 1205777.

It is an arithmetic number, because the mean of its divisors is an integer number (164539284).

Almost surely, 2^872720822 is an apocalyptic number.

872720822 is a deficient number, since it is larger than the sum of its proper divisors (443593450).

872720822 is a wasteful number, since it uses less digits than its factorization.

872720822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411014.

The product of its (nonzero) digits is 50176, while the sum is 38.

The square root of 872720822 is about 29541.8486557629. The cubic root of 872720822 is about 955.6344101132.

The spelling of 872720822 in words is "eight hundred seventy-two million, seven hundred twenty thousand, eight hundred twenty-two".