87729063607 has 2 divisors, whose sum is σ = 87729063608. Its totient is φ = 87729063606.

The previous prime is 87729063589. The next prime is 87729063649. The reversal of 87729063607 is 70636092778.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87729063607 - 2¹⁵ = 87729030839 is a prime.

It is a super-2 number, since 2×87729063607² (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 (87729013607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43864531803 + 43864531804.

It is an arithmetic number, because the mean of its divisors is an integer number (43864531804).

Almost surely, 2^87729063607 is an apocalyptic number.

87729063607 is a deficient number, since it is larger than the sum of its proper divisors (1).

87729063607 is an equidigital number, since it uses as much as digits as its factorization.

87729063607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5334336, while the sum is 55.

The spelling of 87729063607 in words is "eighty-seven billion, seven hundred twenty-nine million, sixty-three thousand, six hundred seven".