83404587634 has 16 divisors (see below), whose sum is σ = 126373485888. Its totient is φ = 41280425712.

The previous prime is 83404587631. The next prime is 83404587691. The reversal of 83404587634 is 43678540438.

It is not an unprimeable number, because it can be changed into a prime (83404587631) 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 7 ways as a sum of consecutive naturals, for example, 426144 + ... + 590260.

It is an arithmetic number, because the mean of its divisors is an integer number (7898342868).

Almost surely, 2^83404587634 is an apocalyptic number.

83404587634 is a deficient number, since it is larger than the sum of its proper divisors (42968898254).

83404587634 is a wasteful number, since it uses less digits than its factorization.

83404587634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166689.

The product of its (nonzero) digits is 7741440, while the sum is 52.

The spelling of 83404587634 in words is "eighty-three billion, four hundred four million, five hundred eighty-seven thousand, six hundred thirty-four".