88409978 has 8 divisors (see below), whose sum is σ = 135699168. Its totient is φ = 43176924.

The previous prime is 88409963. The next prime is 88409987. The reversal of 88409978 is 87990488.

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

It is an unprimeable number.

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, 513926 + ... + 514097.

It is an arithmetic number, because the mean of its divisors is an integer number (16962396).

Almost surely, 2^88409978 is an apocalyptic number.

88409978 is a deficient number, since it is larger than the sum of its proper divisors (47289190).

88409978 is a wasteful number, since it uses less digits than its factorization.

88409978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028068.

The product of its (nonzero) digits is 1161216, while the sum is 53.

The square root of 88409978 is about 9402.6580284513. The cubic root of 88409978 is about 445.4856928203.

The spelling of 88409978 in words is "eighty-eight million, four hundred nine thousand, nine hundred seventy-eight".