80416535 has 4 divisors (see below), whose sum is σ = 96499848. Its totient is φ = 64333224.

The previous prime is 80416513. The next prime is 80416537. The reversal of 80416535 is 53561408.

It is a happy number.

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 80416535 - 2⁸ = 80416279 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 (80416537) 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, 8041649 + ... + 8041658.

It is an arithmetic number, because the mean of its divisors is an integer number (24124962).

Almost surely, 2^80416535 is an apocalyptic number.

80416535 is a deficient number, since it is larger than the sum of its proper divisors (16083313).

80416535 is a wasteful number, since it uses less digits than its factorization.

80416535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16083312.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 80416535 is about 8967.5266935761. The cubic root of 80416535 is about 431.6334750513.

The spelling of 80416535 in words is "eighty million, four hundred sixteen thousand, five hundred thirty-five".