84049672005 has 128 divisors (see below), whose sum is σ = 164989440000. Its totient is φ = 40334692608.

The previous prime is 84049671989. The next prime is 84049672019. The reversal of 84049672005 is 50027694048.

It is a happy number.

It is not a de Polignac number, because 84049672005 - 2⁴ = 84049671989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 56069746 + ... + 56071244.

It is an arithmetic number, because the mean of its divisors is an integer number (1288980000).

Almost surely, 2^84049672005 is an apocalyptic number.

It is an amenable number.

84049672005 is a deficient number, since it is larger than the sum of its proper divisors (80939767995).

84049672005 is a wasteful number, since it uses less digits than its factorization.

84049672005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312 (or 2306 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 84049672005 in words is "eighty-four billion, forty-nine million, six hundred seventy-two thousand, five".