79887952 has 10 divisors (see below), whose sum is σ = 154782938. Its totient is φ = 39943968.

The previous prime is 79887943. The next prime is 79887959. The reversal of 79887952 is 25978897.

It can be written as a sum of positive squares in only one way, i.e., 69622336 + 10265616 = 8344^2 + 3204^2 .

It is a junction number, because it is equal to n+sod(n) for n = 79887893 and 79887902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79887959) 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 as a sum of consecutive naturals, namely, 2496483 + ... + 2496514.

Almost surely, 2^79887952 is an apocalyptic number.

It is an amenable number.

79887952 is a deficient number, since it is larger than the sum of its proper divisors (74894986).

79887952 is a wasteful number, since it uses less digits than its factorization.

79887952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4993005 (or 4992999 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 55.

The square root of 79887952 is about 8938.0060416180. The cubic root of 79887952 is about 430.6856772667.

The spelling of 79887952 in words is "seventy-nine million, eight hundred eighty-seven thousand, nine hundred fifty-two".