88826821 has 4 divisors (see below), whose sum is σ = 89029600. Its totient is φ = 88624044.

The previous prime is 88826809. The next prime is 88826831. The reversal of 88826821 is 12862888.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 88826821 - 2⁷ = 88826693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88826831) 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, 100731 + ... + 101608.

It is an arithmetic number, because the mean of its divisors is an integer number (22257400).

Almost surely, 2^88826821 is an apocalyptic number.

It is an amenable number.

88826821 is a deficient number, since it is larger than the sum of its proper divisors (202779).

88826821 is a wasteful number, since it uses less digits than its factorization.

88826821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202778.

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

The square root of 88826821 is about 9424.7981941260. The cubic root of 88826821 is about 446.1847334763.

The spelling of 88826821 in words is "eighty-eight million, eight hundred twenty-six thousand, eight hundred twenty-one".