822116877 has 4 divisors (see below), whose sum is σ = 1096155840. Its totient is φ = 548077916.

The previous prime is 822116873. The next prime is 822116983. The reversal of 822116877 is 778611228.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 822116877 - 2² = 822116873 is a prime.

It is a super-3 number, since 3×822116877³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822116873) 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, 137019477 + ... + 137019482.

It is an arithmetic number, because the mean of its divisors is an integer number (274038960).

Almost surely, 2^822116877 is an apocalyptic number.

It is an amenable number.

822116877 is a deficient number, since it is larger than the sum of its proper divisors (274038963).

822116877 is a wasteful number, since it uses less digits than its factorization.

822116877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274038962.

The product of its digits is 75264, while the sum is 42.

The square root of 822116877 is about 28672.5805779668. The cubic root of 822116877 is about 936.7949076296.

The spelling of 822116877 in words is "eight hundred twenty-two million, one hundred sixteen thousand, eight hundred seventy-seven".