80622405 has 32 divisors (see below), whose sum is σ = 143712000. Its totient is φ = 42883776.

The previous prime is 80622401. The next prime is 80622433. The reversal of 80622405 is 50422608.

It is not a de Polignac number, because 80622405 - 2² = 80622401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80622401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80367 + ... + 81363.

It is an arithmetic number, because the mean of its divisors is an integer number (4491000).

Almost surely, 2^80622405 is an apocalyptic number.

It is an amenable number.

80622405 is a deficient number, since it is larger than the sum of its proper divisors (63089595).

80622405 is a wasteful number, since it uses less digits than its factorization.

80622405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610 (or 1604 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 80622405 is about 8978.9979953222. The cubic root of 80622405 is about 432.0014949794.

The spelling of 80622405 in words is "eighty million, six hundred twenty-two thousand, four hundred five".