84638000001 has 16 divisors (see below), whose sum is σ = 118857166400. Its totient is φ = 53425433088.

The previous prime is 84637999987. The next prime is 84638000009. The reversal of 84638000001 is 10000083648.

It is a happy number.

It is not a de Polignac number, because 84638000001 - 2¹⁷ = 84637868929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84638000009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316516 + ... + 519093.

It is an arithmetic number, because the mean of its divisors is an integer number (7428572900).

Almost surely, 2^84638000001 is an apocalyptic number.

It is an amenable number.

84638000001 is a deficient number, since it is larger than the sum of its proper divisors (34219166399).

84638000001 is a wasteful number, since it uses less digits than its factorization.

84638000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837408.

The product of its (nonzero) digits is 4608, while the sum is 30.

Adding to 84638000001 its reverse (10000083648), we get a palindrome (94638083649).

The spelling of 84638000001 in words is "eighty-four billion, six hundred thirty-eight million, one", and thus it is an aban number.