102447079 has 8 divisors (see below), whose sum is σ = 117377568. Its totient is φ = 87590400.

The previous prime is 102447047. The next prime is 102447089. The reversal of 102447079 is 970744201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102447079 - 2⁵ = 102447047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102447019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15442 + ... + 21055.

It is an arithmetic number, because the mean of its divisors is an integer number (14672196).

Almost surely, 2^102447079 is an apocalyptic number.

102447079 is a deficient number, since it is larger than the sum of its proper divisors (14930489).

102447079 is an equidigital number, since it uses as much as digits as its factorization.

102447079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36905.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 102447079 is about 10121.6144463223. The cubic root of 102447079 is about 467.9145249577.

The spelling of 102447079 in words is "one hundred two million, four hundred forty-seven thousand, seventy-nine".