79852997 has 6 divisors (see below), whose sum is σ = 92890278. Its totient is φ = 68445384.

The previous prime is 79852967. The next prime is 79852999. The reversal of 79852997 is 79925897.

It can be written as a sum of positive squares in only one way, i.e., 77545636 + 2307361 = 8806^2 + 1519^2 .

It is not a de Polignac number, because 79852997 - 2⁶ = 79852933 is a prime.

It is a super-2 number, since 2×79852997² = 12753002259764018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79852999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 814778 + ... + 814875.

It is an arithmetic number, because the mean of its divisors is an integer number (15481713).

Almost surely, 2^79852997 is an apocalyptic number.

It is an amenable number.

79852997 is a deficient number, since it is larger than the sum of its proper divisors (13037281).

79852997 is a wasteful number, since it uses less digits than its factorization.

79852997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629667 (or 1629660 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 56.

The square root of 79852997 is about 8936.0504139133. The cubic root of 79852997 is about 430.6228525490.

Subtracting 79852997 from its reverse (79925897), we obtain a square (72900 = 270²).

The spelling of 79852997 in words is "seventy-nine million, eight hundred fifty-two thousand, nine hundred ninety-seven".