88909387 has 4 divisors (see below), whose sum is σ = 101610736. Its totient is φ = 76208040.

The previous prime is 88909369. The next prime is 88909393. The reversal of 88909387 is 78390988.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 88909387 - 2⁷ = 88909259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88909367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6350664 + ... + 6350677.

It is an arithmetic number, because the mean of its divisors is an integer number (25402684).

Almost surely, 2^88909387 is an apocalyptic number.

88909387 is a deficient number, since it is larger than the sum of its proper divisors (12701349).

88909387 is a wasteful number, since it uses less digits than its factorization.

88909387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12701348.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 88909387 is about 9429.1774296595. The cubic root of 88909387 is about 446.3229360290.

The spelling of 88909387 in words is "eighty-eight million, nine hundred nine thousand, three hundred eighty-seven".