88612609 has 2 divisors, whose sum is σ = 88612610. Its totient is φ = 88612608.

The previous prime is 88612607. The next prime is 88612621. The reversal of 88612609 is 90621688.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59721984 + 28890625 = 7728^2 + 5375^2 .

It is a cyclic number.

It is not a de Polignac number, because 88612609 - 2¹ = 88612607 is a prime.

Together with 88612607, it forms a pair of twin primes.

It is a Chen prime.

It is a nialpdrome in base 14.

It is not a weakly prime, because it can be changed into another prime (88612607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44306304 + 44306305.

It is an arithmetic number, because the mean of its divisors is an integer number (44306305).

Almost surely, 2^88612609 is an apocalyptic number.

It is an amenable number.

88612609 is a deficient number, since it is larger than the sum of its proper divisors (1).

88612609 is an equidigital number, since it uses as much as digits as its factorization.

88612609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 88612609 is about 9413.4270592596. The cubic root of 88612609 is about 445.8257763609.

The spelling of 88612609 in words is "eighty-eight million, six hundred twelve thousand, six hundred nine".