676237231647 has 12 divisors (see below), whose sum is σ = 976892140224. Its totient is φ = 450776346720.

The previous prime is 676237231639. The next prime is 676237231651. The reversal of 676237231647 is 746132732676.

676237231647 is a `hidden beast` number, since 6 + 7 + 623 + 7 + 2 + 3 + 1 + 6 + 4 + 7 = 666.

It is not a de Polignac number, because 676237231647 - 2³ = 676237231639 is a prime.

It is a super-3 number, since 3×676237231647³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 676237231593 and 676237231602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676237231627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3951078 + ... + 4118675.

It is an arithmetic number, because the mean of its divisors is an integer number (81407678352).

Almost surely, 2^676237231647 is an apocalyptic number.

676237231647 is a deficient number, since it is larger than the sum of its proper divisors (300654908577).

676237231647 is a wasteful number, since it uses less digits than its factorization.

676237231647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8079070 (or 8079067 counting only the distinct ones).

The product of its digits is 10668672, while the sum is 54.

The spelling of 676237231647 in words is "six hundred seventy-six billion, two hundred thirty-seven million, two hundred thirty-one thousand, six hundred forty-seven".