88694621 has 2 divisors, whose sum is σ = 88694622. Its totient is φ = 88694620.

The previous prime is 88694611. The next prime is 88694629. The reversal of 88694621 is 12649688.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52562500 + 36132121 = 7250^2 + 6011^2 .

It is a cyclic number.

It is not a de Polignac number, because 88694621 - 2¹⁰ = 88693597 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88694629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44347310 + 44347311.

It is an arithmetic number, because the mean of its divisors is an integer number (44347311).

Almost surely, 2^88694621 is an apocalyptic number.

It is an amenable number.

88694621 is a deficient number, since it is larger than the sum of its proper divisors (1).

88694621 is an equidigital number, since it uses as much as digits as its factorization.

88694621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 44.

The square root of 88694621 is about 9417.7821699167. The cubic root of 88694621 is about 445.9632729314.

The spelling of 88694621 in words is "eighty-eight million, six hundred ninety-four thousand, six hundred twenty-one".