79287236852 has 6 divisors (see below), whose sum is σ = 138752664498. Its totient is φ = 39643618424.

The previous prime is 79287236843. The next prime is 79287236863. The reversal of 79287236852 is 25863278297.

It can be written as a sum of positive squares in only one way, i.e., 55864158736 + 23423078116 = 236356^2 + 153046^2 .

It is a junction number, because it is equal to n+sod(n) for n = 79287236791 and 79287236800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9910904603 + ... + 9910904610.

It is an arithmetic number, because the mean of its divisors is an integer number (23125444083).

Almost surely, 2^79287236852 is an apocalyptic number.

It is an amenable number.

79287236852 is a deficient number, since it is larger than the sum of its proper divisors (59465427646).

79287236852 is a wasteful number, since it uses less digits than its factorization.

79287236852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19821809217 (or 19821809215 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 59.

The spelling of 79287236852 in words is "seventy-nine billion, two hundred eighty-seven million, two hundred thirty-six thousand, eight hundred fifty-two".