79148687 has 2 divisors, whose sum is σ = 79148688. Its totient is φ = 79148686.

The previous prime is 79148653. The next prime is 79148689. The reversal of 79148687 is 78684197.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79148687 - 2⁸ = 79148431 is a prime.

Together with 79148689, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79148689) 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 as a sum of consecutive naturals, namely, 39574343 + 39574344.

It is an arithmetic number, because the mean of its divisors is an integer number (39574344).

Almost surely, 2^79148687 is an apocalyptic number.

79148687 is a deficient number, since it is larger than the sum of its proper divisors (1).

79148687 is an equidigital number, since it uses as much as digits as its factorization.

79148687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 50.

The square root of 79148687 is about 8896.5547826111. The cubic root of 79148687 is about 429.3530690109.

The spelling of 79148687 in words is "seventy-nine million, one hundred forty-eight thousand, six hundred eighty-seven".