671828041247 has 8 divisors (see below), whose sum is σ = 734652495360. Its totient is φ = 609295116760.

The previous prime is 671828041237. The next prime is 671828041277. The reversal of 671828041247 is 742140828176.

671828041247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 671828041247 - 2²² = 671823846943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 671828041195 and 671828041204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671828041237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72877583 + ... + 72886800.

It is an arithmetic number, because the mean of its divisors is an integer number (91831561920).

Almost surely, 2^671828041247 is an apocalyptic number.

671828041247 is a deficient number, since it is larger than the sum of its proper divisors (62824454113).

671828041247 is a wasteful number, since it uses less digits than its factorization.

671828041247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145764813.

The product of its (nonzero) digits is 1204224, while the sum is 50.

The spelling of 671828041247 in words is "six hundred seventy-one billion, eight hundred twenty-eight million, forty-one thousand, two hundred forty-seven".