80526089 has 4 divisors (see below), whose sum is σ = 92029824. Its totient is φ = 69022356.

The previous prime is 80526079. The next prime is 80526101. The reversal of 80526089 is 98062508.

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 a cyclic number.

It is not a de Polignac number, because 80526089 - 2⁴ = 80526073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80526049) by changing a digit.

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, 5751857 + ... + 5751870.

It is an arithmetic number, because the mean of its divisors is an integer number (23007456).

Almost surely, 2^80526089 is an apocalyptic number.

It is an amenable number.

80526089 is a deficient number, since it is larger than the sum of its proper divisors (11503735).

80526089 is a wasteful number, since it uses less digits than its factorization.

80526089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11503734.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 80526089 is about 8973.6329878149. The cubic root of 80526089 is about 431.8293954398.

It can be divided in two parts, 8052 and 6089, that added together give a palindrome (14141).

The spelling of 80526089 in words is "eighty million, five hundred twenty-six thousand, eighty-nine".