671702847 has 16 divisors (see below), whose sum is σ = 930157920. Its totient is φ = 430797312.

The previous prime is 671702831. The next prime is 671702869. The reversal of 671702847 is 748207176.

It is not a de Polignac number, because 671702847 - 2⁴ = 671702831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 671702799 and 671702808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671702807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24118 + ... + 43875.

It is an arithmetic number, because the mean of its divisors is an integer number (58134870).

Almost surely, 2^671702847 is an apocalyptic number.

671702847 is a deficient number, since it is larger than the sum of its proper divisors (258455073).

671702847 is a wasteful number, since it uses less digits than its factorization.

671702847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68122.

The product of its (nonzero) digits is 131712, while the sum is 42.

The square root of 671702847 is about 25917.2306969707. The cubic root of 671702847 is about 875.7747030650.

The spelling of 671702847 in words is "six hundred seventy-one million, seven hundred two thousand, eight hundred forty-seven".