88621417 has 2 divisors, whose sum is σ = 88621418. Its totient is φ = 88621416.

The previous prime is 88621399. The next prime is 88621427. The reversal of 88621417 is 71412688.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48944016 + 39677401 = 6996^2 + 6299^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88621417 is a prime.

It is not a weakly prime, because it can be changed into another prime (88621427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44310708 + 44310709.

It is an arithmetic number, because the mean of its divisors is an integer number (44310709).

Almost surely, 2^88621417 is an apocalyptic number.

It is an amenable number.

88621417 is a deficient number, since it is larger than the sum of its proper divisors (1).

88621417 is an equidigital number, since it uses as much as digits as its factorization.

88621417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21504, while the sum is 37.

The square root of 88621417 is about 9413.8948900017. The cubic root of 88621417 is about 445.8405474090.

The spelling of 88621417 in words is "eighty-eight million, six hundred twenty-one thousand, four hundred seventeen".