812277416 has 16 divisors (see below), whose sum is σ = 1530241440. Its totient is φ = 404213040.

The previous prime is 812277409. The next prime is 812277419. The reversal of 812277416 is 614772218.

It is a self number, because there is not a number n which added to its sum of digits gives 812277416.

It is not an unprimeable number, because it can be changed into a prime (812277419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238916 + ... + 242291.

It is an arithmetic number, because the mean of its divisors is an integer number (95640090).

Almost surely, 2^812277416 is an apocalyptic number.

It is an amenable number.

812277416 is a deficient number, since it is larger than the sum of its proper divisors (717964024).

812277416 is a wasteful number, since it uses less digits than its factorization.

812277416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481424 (or 481420 counting only the distinct ones).

The product of its digits is 37632, while the sum is 38.

The square root of 812277416 is about 28500.4809783975. The cubic root of 812277416 is about 933.0425714463.

The spelling of 812277416 in words is "eight hundred twelve million, two hundred seventy-seven thousand, four hundred sixteen".