89020667 has 4 divisors (see below), whose sum is σ = 89069256. Its totient is φ = 88972080.

The previous prime is 89020663. The next prime is 89020669. The reversal of 89020667 is 76602098.

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 89020667 - 2² = 89020663 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 89020667.

It is not an unprimeable number, because it can be changed into a prime (89020663) 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, 21434 + ... + 25247.

It is an arithmetic number, because the mean of its divisors is an integer number (22267314).

Almost surely, 2^89020667 is an apocalyptic number.

89020667 is a deficient number, since it is larger than the sum of its proper divisors (48589).

89020667 is a wasteful number, since it uses less digits than its factorization.

89020667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48588.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 89020667 is about 9435.0764172846. The cubic root of 89020667 is about 446.5090660174.

The spelling of 89020667 in words is "eighty-nine million, twenty thousand, six hundred sixty-seven".