1670078471 has 2 divisors, whose sum is σ = 1670078472. Its totient is φ = 1670078470.

The previous prime is 1670078447. The next prime is 1670078483. The reversal of 1670078471 is 1748700761.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1670078471 - 2²² = 1665884167 is a prime.

It is a super-3 number, since 3×1670078471³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1670078491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835039235 + 835039236.

It is an arithmetic number, because the mean of its divisors is an integer number (835039236).

Almost surely, 2^1670078471 is an apocalyptic number.

1670078471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1670078471 is an equidigital number, since it uses as much as digits as its factorization.

1670078471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65856, while the sum is 41.

The square root of 1670078471 is about 40866.5935820445. The cubic root of 1670078471 is about 1186.4395783404.

The spelling of 1670078471 in words is "one billion, six hundred seventy million, seventy-eight thousand, four hundred seventy-one".