88821566 has 8 divisors (see below), whose sum is σ = 141069600. Its totient is φ = 41798368.

The previous prime is 88821563. The next prime is 88821581. The reversal of 88821566 is 66512888.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88821563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1306166 + ... + 1306233.

It is an arithmetic number, because the mean of its divisors is an integer number (17633700).

Almost surely, 2^88821566 is an apocalyptic number.

88821566 is a deficient number, since it is larger than the sum of its proper divisors (52248034).

88821566 is a wasteful number, since it uses less digits than its factorization.

88821566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2612418.

The product of its digits is 184320, while the sum is 44.

The square root of 88821566 is about 9424.5194041924. The cubic root of 88821566 is about 446.1759345310.

The spelling of 88821566 in words is "eighty-eight million, eight hundred twenty-one thousand, five hundred sixty-six".