88139267 has 2 divisors, whose sum is σ = 88139268. Its totient is φ = 88139266.

The previous prime is 88139239. The next prime is 88139269. The reversal of 88139267 is 76293188.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88139267 - 2¹⁰ = 88138243 is a prime.

Together with 88139269, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (88139269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44069633 + 44069634.

It is an arithmetic number, because the mean of its divisors is an integer number (44069634).

Almost surely, 2^88139267 is an apocalyptic number.

88139267 is a deficient number, since it is larger than the sum of its proper divisors (1).

88139267 is an equidigital number, since it uses as much as digits as its factorization.

88139267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 44.

The square root of 88139267 is about 9388.2515411550. The cubic root of 88139267 is about 445.0305361363.

The spelling of 88139267 in words is "eighty-eight million, one hundred thirty-nine thousand, two hundred sixty-seven".