80774405 has 8 divisors (see below), whose sum is σ = 97150752. Its totient is φ = 64471888.

The previous prime is 80774399. The next prime is 80774417. The reversal of 80774405 is 50447708.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80774405 - 2⁴ = 80774389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16019 + ... + 20448.

It is an arithmetic number, because the mean of its divisors is an integer number (12143844).

Almost surely, 2^80774405 is an apocalyptic number.

It is an amenable number.

80774405 is a deficient number, since it is larger than the sum of its proper divisors (16376347).

80774405 is a wasteful number, since it uses less digits than its factorization.

80774405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36915.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 80774405 is about 8987.4582057443. The cubic root of 80774405 is about 432.2728132898.

The spelling of 80774405 in words is "eighty million, seven hundred seventy-four thousand, four hundred five".