88828621 has 12 divisors (see below), whose sum is σ = 109410588. Its totient is φ = 71659392.

The previous prime is 88828613. The next prime is 88828631. The reversal of 88828621 is 12682888.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 80910025 + 7918596 = 8995^2 + 2814^2 .

It is not a de Polignac number, because 88828621 - 2³ = 88828613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88828631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52486 + ... + 54151.

It is an arithmetic number, because the mean of its divisors is an integer number (9117549).

Almost surely, 2^88828621 is an apocalyptic number.

It is an amenable number.

88828621 is a deficient number, since it is larger than the sum of its proper divisors (20581967).

88828621 is a wasteful number, since it uses less digits than its factorization.

88828621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106668 (or 106661 counting only the distinct ones).

The product of its digits is 98304, while the sum is 43.

The square root of 88828621 is about 9424.8936864030. The cubic root of 88828621 is about 446.1877473073.

The spelling of 88828621 in words is "eighty-eight million, eight hundred twenty-eight thousand, six hundred twenty-one".