80555407 has 4 divisors (see below), whose sum is σ = 84057840. Its totient is φ = 77052976.

The previous prime is 80555357. The next prime is 80555411. The reversal of 80555407 is 70455508.

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 80555407 - 2²³ = 72166799 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 (80555477) 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, 1751182 + ... + 1751227.

It is an arithmetic number, because the mean of its divisors is an integer number (21014460).

Almost surely, 2^80555407 is an apocalyptic number.

80555407 is a deficient number, since it is larger than the sum of its proper divisors (3502433).

80555407 is a wasteful number, since it uses less digits than its factorization.

80555407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502432.

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 80555407 is about 8975.2664027315. The cubic root of 80555407 is about 431.8817960064.

The spelling of 80555407 in words is "eighty million, five hundred fifty-five thousand, four hundred seven".