88666401 has 4 divisors (see below), whose sum is σ = 118221872. Its totient is φ = 59110932.

The previous prime is 88666399. The next prime is 88666429. The reversal of 88666401 is 10466688.

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 88666401 - 2¹ = 88666399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 88666401.

It is not an unprimeable number, because it can be changed into a prime (88666451) 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, 14777731 + ... + 14777736.

It is an arithmetic number, because the mean of its divisors is an integer number (29555468).

Almost surely, 2^88666401 is an apocalyptic number.

It is an amenable number.

88666401 is a deficient number, since it is larger than the sum of its proper divisors (29555471).

88666401 is a wasteful number, since it uses less digits than its factorization.

88666401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29555470.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 88666401 is about 9416.2838211260. The cubic root of 88666401 is about 445.9159704817.

The spelling of 88666401 in words is "eighty-eight million, six hundred sixty-six thousand, four hundred one".