88820769 has 4 divisors (see below), whose sum is σ = 118427696. Its totient is φ = 59213844.

The previous prime is 88820749. The next prime is 88820803. The reversal of 88820769 is 96702888.

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 not a de Polignac number, because 88820769 - 2⁵ = 88820737 is a prime.

It is a super-2 number, since 2×88820769² = 15778258011502722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (88820749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14803459 + ... + 14803464.

It is an arithmetic number, because the mean of its divisors is an integer number (29606924).

Almost surely, 2^88820769 is an apocalyptic number.

It is an amenable number.

88820769 is a deficient number, since it is larger than the sum of its proper divisors (29606927).

88820769 is a wasteful number, since it uses less digits than its factorization.

88820769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29606926.

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 88820769 is about 9424.4771207744. The cubic root of 88820769 is about 446.1746000079.

The spelling of 88820769 in words is "eighty-eight million, eight hundred twenty thousand, seven hundred sixty-nine".