88567621 has 2 divisors, whose sum is σ = 88567622. Its totient is φ = 88567620.

The previous prime is 88567613. The next prime is 88567631. The reversal of 88567621 is 12676588.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65383396 + 23184225 = 8086^2 + 4815^2 .

It is a cyclic number.

It is not a de Polignac number, because 88567621 - 2³ = 88567613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88567631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44283810 + 44283811.

It is an arithmetic number, because the mean of its divisors is an integer number (44283811).

Almost surely, 2^88567621 is an apocalyptic number.

It is an amenable number.

88567621 is a deficient number, since it is larger than the sum of its proper divisors (1).

88567621 is an equidigital number, since it uses as much as digits as its factorization.

88567621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 43.

The square root of 88567621 is about 9411.0371904482. The cubic root of 88567621 is about 445.7503160494.

The spelling of 88567621 in words is "eighty-eight million, five hundred sixty-seven thousand, six hundred twenty-one".