88079989 has 8 divisors (see below), whose sum is σ = 91595160. Its totient is φ = 84596736.

The previous prime is 88079969. The next prime is 88080019. The reversal of 88079989 is 98997088.

It can be written as a sum of positive squares in 4 ways, for example, as 21003889 + 67076100 = 4583^2 + 8190^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88079989 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 (88079909) 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, 2272 + ... + 13465.

It is an arithmetic number, because the mean of its divisors is an integer number (11449395).

Almost surely, 2^88079989 is an apocalyptic number.

It is an amenable number.

88079989 is a deficient number, since it is larger than the sum of its proper divisors (3515171).

88079989 is a wasteful number, since it uses less digits than its factorization.

88079989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15959.

The product of its (nonzero) digits is 2612736, while the sum is 58.

The square root of 88079989 is about 9385.0939792844. The cubic root of 88079989 is about 444.9307454402.

The spelling of 88079989 in words is "eighty-eight million, seventy-nine thousand, nine hundred eighty-nine".