84412555 has 8 divisors (see below), whose sum is σ = 101700144. Its totient is φ = 67260000.

The previous prime is 84412547. The next prime is 84412571. The reversal of 84412555 is 55521448.

It is a happy number.

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

It is not a de Polignac number, because 84412555 - 2³ = 84412547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84412555.

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, 32376 + ... + 34885.

It is an arithmetic number, because the mean of its divisors is an integer number (12712518).

Almost surely, 2^84412555 is an apocalyptic number.

84412555 is a deficient number, since it is larger than the sum of its proper divisors (17287589).

84412555 is a wasteful number, since it uses less digits than its factorization.

84412555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67517.

The product of its digits is 32000, while the sum is 34.

The square root of 84412555 is about 9187.6305432903. The cubic root of 84412555 is about 438.6677245529.

The spelling of 84412555 in words is "eighty-four million, four hundred twelve thousand, five hundred fifty-five".