80425911 has 4 divisors (see below), whose sum is σ = 107234552. Its totient is φ = 53617272.

The previous prime is 80425907. The next prime is 80425913. The reversal of 80425911 is 11952408.

It is a happy number.

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

It is not a de Polignac number, because 80425911 - 2² = 80425907 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 (80425913) 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, 13404316 + ... + 13404321.

It is an arithmetic number, because the mean of its divisors is an integer number (26808638).

Almost surely, 2^80425911 is an apocalyptic number.

80425911 is a deficient number, since it is larger than the sum of its proper divisors (26808641).

80425911 is a wasteful number, since it uses less digits than its factorization.

80425911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26808640.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 80425911 is about 8968.0494534765. The cubic root of 80425911 is about 431.6502495375.

The spelling of 80425911 in words is "eighty million, four hundred twenty-five thousand, nine hundred eleven".