79478713 has 2 divisors, whose sum is σ = 79478714. Its totient is φ = 79478712.

The previous prime is 79478687. The next prime is 79478743. The reversal of 79478713 is 31787497.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42354064 + 37124649 = 6508^2 + 6093^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79478713 is a prime.

It is not a weakly prime, because it can be changed into another prime (79478743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39739356 + 39739357.

It is an arithmetic number, because the mean of its divisors is an integer number (39739357).

Almost surely, 2^79478713 is an apocalyptic number.

It is an amenable number.

79478713 is a deficient number, since it is larger than the sum of its proper divisors (1).

79478713 is an equidigital number, since it uses as much as digits as its factorization.

79478713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 296352, while the sum is 46.

The square root of 79478713 is about 8915.0834544608. The cubic root of 79478713 is about 429.9489988186.

It can be divided in two parts, 794 and 78713, that added together give a cube (79507 = 43³).

The spelling of 79478713 in words is "seventy-nine million, four hundred seventy-eight thousand, seven hundred thirteen".