72963471887 has 2 divisors, whose sum is σ = 72963471888. Its totient is φ = 72963471886.

The previous prime is 72963471869. The next prime is 72963471907. The reversal of 72963471887 is 78817436927.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72963471887 - 2⁸ = 72963471631 is a prime.

It is a super-3 number, since 3×72963471887³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72963471817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36481735943 + 36481735944.

It is an arithmetic number, because the mean of its divisors is an integer number (36481735944).

Almost surely, 2^72963471887 is an apocalyptic number.

72963471887 is a deficient number, since it is larger than the sum of its proper divisors (1).

72963471887 is an equidigital number, since it uses as much as digits as its factorization.

72963471887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28449792, while the sum is 62.

The spelling of 72963471887 in words is "seventy-two billion, nine hundred sixty-three million, four hundred seventy-one thousand, eight hundred eighty-seven".