531323207676 has 18 divisors (see below), whose sum is σ = 1343066997272. Its totient is φ = 177107735880.

The previous prime is 531323207633. The next prime is 531323207677. The reversal of 531323207676 is 676702323135.

531323207676 is a `hidden beast` number, since 5 + 313 + 2 + 320 + 7 + 6 + 7 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×531323207676² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531323207677) 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, 7379488960 + ... + 7379489031.

Almost surely, 2^531323207676 is an apocalyptic number.

It is an amenable number.

531323207676 is an abundant number, since it is smaller than the sum of its proper divisors (811743789596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531323207676 is a wasteful number, since it uses less digits than its factorization.

531323207676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14758978001 (or 14758977996 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 45.

The spelling of 531323207676 in words is "five hundred thirty-one billion, three hundred twenty-three million, two hundred seven thousand, six hundred seventy-six".