88668407 has 4 divisors (see below), whose sum is σ = 88931856. Its totient is φ = 88404960.

The previous prime is 88668397. The next prime is 88668409. The reversal of 88668407 is 70486688.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88668407 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 (88668409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131219 + ... + 131892.

It is an arithmetic number, because the mean of its divisors is an integer number (22232964).

Almost surely, 2^88668407 is an apocalyptic number.

88668407 is a deficient number, since it is larger than the sum of its proper divisors (263449).

88668407 is a wasteful number, since it uses less digits than its factorization.

88668407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263448.

The product of its (nonzero) digits is 516096, while the sum is 47.

The square root of 88668407 is about 9416.3903381285. The cubic root of 88668407 is about 445.9193332764.

The spelling of 88668407 in words is "eighty-eight million, six hundred sixty-eight thousand, four hundred seven".