80889611 has 4 divisors (see below), whose sum is σ = 88243224. Its totient is φ = 73536000.

The previous prime is 80889583. The next prime is 80889617. The reversal of 80889611 is 11698808.

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 80889611 - 2⁶ = 80889547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80889617) 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, 3676790 + ... + 3676811.

It is an arithmetic number, because the mean of its divisors is an integer number (22060806).

Almost surely, 2^80889611 is an apocalyptic number.

80889611 is a deficient number, since it is larger than the sum of its proper divisors (7353613).

80889611 is a wasteful number, since it uses less digits than its factorization.

80889611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7353612.

The product of its (nonzero) digits is 27648, while the sum is 41.

The square root of 80889611 is about 8993.8651868927. The cubic root of 80889611 is about 432.4782280463.

The spelling of 80889611 in words is "eighty million, eight hundred eighty-nine thousand, six hundred eleven".