71672676511 has 2 divisors, whose sum is σ = 71672676512. Its totient is φ = 71672676510.

The previous prime is 71672676499. The next prime is 71672676563. The reversal of 71672676511 is 11567627617.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71672676511 - 2³³ = 63082741919 is a prime.

It is a super-2 number, since 2×71672676511² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71672674511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35836338255 + 35836338256.

It is an arithmetic number, because the mean of its divisors is an integer number (35836338256).

Almost surely, 2^71672676511 is an apocalyptic number.

71672676511 is a deficient number, since it is larger than the sum of its proper divisors (1).

71672676511 is an equidigital number, since it uses as much as digits as its factorization.

71672676511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 740880, while the sum is 49.

The spelling of 71672676511 in words is "seventy-one billion, six hundred seventy-two million, six hundred seventy-six thousand, five hundred eleven".