84080655 has 12 divisors (see below), whose sum is σ = 145739880. Its totient is φ = 44842992.

The previous prime is 84080653. The next prime is 84080669. The reversal of 84080655 is 55608048.

It is a happy number.

It is not a de Polignac number, because 84080655 - 2¹ = 84080653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84080653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 934185 + ... + 934274.

It is an arithmetic number, because the mean of its divisors is an integer number (12144990).

Almost surely, 2^84080655 is an apocalyptic number.

84080655 is a deficient number, since it is larger than the sum of its proper divisors (61659225).

84080655 is a wasteful number, since it uses less digits than its factorization.

84080655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868470 (or 1868467 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 84080655 is about 9169.5504251844. The cubic root of 84080655 is about 438.0920398308.

The spelling of 84080655 in words is "eighty-four million, eighty thousand, six hundred fifty-five".