88273729 has 2 divisors, whose sum is σ = 88273730. Its totient is φ = 88273728.

The previous prime is 88273727. The next prime is 88273777. The reversal of 88273729 is 92737288.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73273600 + 15000129 = 8560^2 + 3873^2 .

It is a cyclic number.

It is not a de Polignac number, because 88273729 - 2¹ = 88273727 is a prime.

Together with 88273727, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (88273723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44136864 + 44136865.

It is an arithmetic number, because the mean of its divisors is an integer number (44136865).

Almost surely, 2^88273729 is an apocalyptic number.

It is an amenable number.

88273729 is a deficient number, since it is larger than the sum of its proper divisors (1).

88273729 is an equidigital number, since it uses as much as digits as its factorization.

88273729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 46.

The square root of 88273729 is about 9395.4099963759. The cubic root of 88273729 is about 445.2567285172.

The spelling of 88273729 in words is "eighty-eight million, two hundred seventy-three thousand, seven hundred twenty-nine".