88443967 has 4 divisors (see below), whose sum is σ = 88833816. Its totient is φ = 88054120.

The previous prime is 88443959. The next prime is 88443973. The reversal of 88443967 is 76934488.

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 88443967 - 2³ = 88443959 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 88443967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88443977) 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, 194584 + ... + 195037.

It is an arithmetic number, because the mean of its divisors is an integer number (22208454).

Almost surely, 2^88443967 is an apocalyptic number.

88443967 is a deficient number, since it is larger than the sum of its proper divisors (389849).

88443967 is a wasteful number, since it uses less digits than its factorization.

88443967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389848.

The product of its digits is 1161216, while the sum is 49.

The square root of 88443967 is about 9404.4652692218. The cubic root of 88443967 is about 445.5427741347.

The spelling of 88443967 in words is "eighty-eight million, four hundred forty-three thousand, nine hundred sixty-seven".