872244477 has 16 divisors (see below), whose sum is σ = 1391615680. Its totient is φ = 536765616.

The previous prime is 872244473. The next prime is 872244481. The reversal of 872244477 is 774442278.

It is an interprime number because it is at equal distance from previous prime (872244473) and next prime (872244481).

It is not a de Polignac number, because 872244477 - 2² = 872244473 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872244473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1242163 + ... + 1242864.

It is an arithmetic number, because the mean of its divisors is an integer number (86975980).

Almost surely, 2^872244477 is an apocalyptic number.

It is an amenable number.

872244477 is a deficient number, since it is larger than the sum of its proper divisors (519371203).

872244477 is a wasteful number, since it uses less digits than its factorization.

872244477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485049 (or 2485043 counting only the distinct ones).

The product of its digits is 702464, while the sum is 45.

The square root of 872244477 is about 29533.7853483091. The cubic root of 872244477 is about 955.4605116158.

The spelling of 872244477 in words is "eight hundred seventy-two million, two hundred forty-four thousand, four hundred seventy-seven".