798777252212 has 6 divisors (see below), whose sum is σ = 1397860191378. Its totient is φ = 399388626104.

The previous prime is 798777252211. The next prime is 798777252253. The reversal of 798777252212 is 212252777897.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 751612705936 + 47164546276 = 866956^2 + 217174^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798777252211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99847156523 + ... + 99847156530.

It is an arithmetic number, because the mean of its divisors is an integer number (232976698563).

Almost surely, 2^798777252212 is an apocalyptic number.

It is an amenable number.

798777252212 is a deficient number, since it is larger than the sum of its proper divisors (599082939166).

798777252212 is a wasteful number, since it uses less digits than its factorization.

798777252212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199694313057 (or 199694313055 counting only the distinct ones).

The product of its digits is 13829760, while the sum is 59.

The spelling of 798777252212 in words is "seven hundred ninety-eight billion, seven hundred seventy-seven million, two hundred fifty-two thousand, two hundred twelve".