88885642 has 4 divisors (see below), whose sum is σ = 133328466. Its totient is φ = 44442820.

The previous prime is 88885631. The next prime is 88885669. The reversal of 88885642 is 24658888.

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

It can be written as a sum of positive squares in only one way, i.e., 67716441 + 21169201 = 8229^2 + 4601^2 .

It is a super-3 number, since 3×88885642³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 22221409 + ... + 22221412.

Almost surely, 2^88885642 is an apocalyptic number.

88885642 is a deficient number, since it is larger than the sum of its proper divisors (44442824).

88885642 is a wasteful number, since it uses less digits than its factorization.

88885642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44442823.

The product of its digits is 983040, while the sum is 49.

The square root of 88885642 is about 9427.9182219618. The cubic root of 88885642 is about 446.2831993859.

The spelling of 88885642 in words is "eighty-eight million, eight hundred eighty-five thousand, six hundred forty-two".