79478207 has 2 divisors, whose sum is σ = 79478208. Its totient is φ = 79478206.

The previous prime is 79478173. The next prime is 79478219. The reversal of 79478207 is 70287497.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79478207 - 2⁶ = 79478143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79478297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39739103 + 39739104.

It is an arithmetic number, because the mean of its divisors is an integer number (39739104).

Almost surely, 2^79478207 is an apocalyptic number.

79478207 is a deficient number, since it is larger than the sum of its proper divisors (1).

79478207 is an equidigital number, since it uses as much as digits as its factorization.

79478207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 197568, while the sum is 44.

The square root of 79478207 is about 8915.0550755450. The cubic root of 79478207 is about 429.9480863955.

The spelling of 79478207 in words is "seventy-nine million, four hundred seventy-eight thousand, two hundred seven".