84455177609 has 8 divisors (see below), whose sum is σ = 92137651200. Its totient is φ = 76773492400.

The previous prime is 84455177603. The next prime is 84455177617. The reversal of 84455177609 is 90677155448.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-84455177609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84455177603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39224 + ... + 412854.

It is an arithmetic number, because the mean of its divisors is an integer number (11517206400).

Almost surely, 2^84455177609 is an apocalyptic number.

It is an amenable number.

84455177609 is a deficient number, since it is larger than the sum of its proper divisors (7682473591).

84455177609 is a wasteful number, since it uses less digits than its factorization.

84455177609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394191.

The product of its (nonzero) digits is 8467200, while the sum is 56.

The spelling of 84455177609 in words is "eighty-four billion, four hundred fifty-five million, one hundred seventy-seven thousand, six hundred nine".