679999471 has 2 divisors, whose sum is σ = 679999472. Its totient is φ = 679999470.

The previous prime is 679999469. The next prime is 679999483. The reversal of 679999471 is 174999976.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 679999471 - 2¹ = 679999469 is a prime.

It is a super-3 number, since 3×679999471³ (a number of 27 digits) contains 333 as substring.

Together with 679999469, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (679999421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339999735 + 339999736.

It is an arithmetic number, because the mean of its divisors is an integer number (339999736).

Almost surely, 2^679999471 is an apocalyptic number.

679999471 is a deficient number, since it is larger than the sum of its proper divisors (1).

679999471 is an equidigital number, since it uses as much as digits as its factorization.

679999471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7715736, while the sum is 61.

The square root of 679999471 is about 26076.7994776966. The cubic root of 679999471 is about 879.3657063999.

The spelling of 679999471 in words is "six hundred seventy-nine million, nine hundred ninety-nine thousand, four hundred seventy-one".