88583721 has 8 divisors (see below), whose sum is σ = 120113760. Its totient is φ = 58054752.

The previous prime is 88583717. The next prime is 88583731. The reversal of 88583721 is 12738588.

It is a happy number.

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

It is not a de Polignac number, because 88583721 - 2² = 88583717 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88583701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250060 + ... + 250413.

It is an arithmetic number, because the mean of its divisors is an integer number (15014220).

Almost surely, 2^88583721 is an apocalyptic number.

It is an amenable number.

88583721 is a deficient number, since it is larger than the sum of its proper divisors (31530039).

88583721 is a wasteful number, since it uses less digits than its factorization.

88583721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500535.

The product of its digits is 107520, while the sum is 42.

The square root of 88583721 is about 9411.8925301982. The cubic root of 88583721 is about 445.7773242088. Note that the first 3 decimals are identical.

The spelling of 88583721 in words is "eighty-eight million, five hundred eighty-three thousand, seven hundred twenty-one".