802228977 has 12 divisors (see below), whose sum is σ = 1264118544. Its totient is φ = 486199320.

The previous prime is 802228967. The next prime is 802228979. The reversal of 802228977 is 779822208.

It is a happy number.

It is not a de Polignac number, because 802228977 - 2¹⁰ = 802227953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (802228979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4051563 + ... + 4051760.

It is an arithmetic number, because the mean of its divisors is an integer number (105343212).

Almost surely, 2^802228977 is an apocalyptic number.

It is an amenable number.

802228977 is a deficient number, since it is larger than the sum of its proper divisors (461889567).

802228977 is a wasteful number, since it uses less digits than its factorization.

802228977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8103340 (or 8103337 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 802228977 is about 28323.6469579749. The cubic root of 802228977 is about 929.1791334605.

The spelling of 802228977 in words is "eight hundred two million, two hundred twenty-eight thousand, nine hundred seventy-seven".