1678675471 has 6 divisors (see below), whose sum is σ = 1845155816. Its totient is φ = 1526068500.

The previous prime is 1678675417. The next prime is 1678675499. The reversal of 1678675471 is 1745768761.

It is a happy number.

It is not a de Polignac number, because 1678675471 - 2⁷ = 1678675343 is a prime.

It is a super-3 number, since 3×1678675471³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1678675771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6936555 + ... + 6936796.

Almost surely, 2^1678675471 is an apocalyptic number.

1678675471 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1678675471 is a deficient number, since it is larger than the sum of its proper divisors (166480345).

1678675471 is a wasteful number, since it uses less digits than its factorization.

1678675471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13873373 (or 13873362 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 52.

The square root of 1678675471 is about 40971.6422785321. The cubic root of 1678675471 is about 1188.4718918649.

The spelling of 1678675471 in words is "one billion, six hundred seventy-eight million, six hundred seventy-five thousand, four hundred seventy-one".